chemistry johor 2011.pdf

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JABATAN ELAJARAN EGERIOHOR

PEPERIKSMN ERCUBAANPM2011

KIMIA

Kertas

Satuam imabelasminit

JANGANUKAKERTAS

OALANNISEHINGGAIBERITAHU1. Kerfassoalanni adalah alamdwibahasa.2. Soa/an alambahasanggerismendahuluioalanangsepadan

dalambahasaMelayu.3. Calon ikehendakimembacaaklumatihalaman elakang ertas

soalanni.

Kertasoalannimengandungi4halamanercetak

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1 Vrrhichf he ollowingeleases eato hesurrounding?AntaraangMrikut,yangmanakahmembebaskanaba e persekitann?

A Addacid o alkaliTambah sidRepadalkali

B Heata carbonatealtPanaskanatugaram arbonat

C Dissolveomeammoniumalt nwaterLarutkan edikit aramammoniumidalamair

D Adddiluteacld osodium ydrogenarbonateTambah sidcalrkepada aftiumrydrqenkarfunat

2 Nameheprocess f soappreparation.Namakanros€spenye iaan eah n.

A DehydrationPendehidratan

SulphonationPengsulfonan

SaponificationSaponflTkast

PolymerisationPempotirnenn

proron

l/Vho roposedheabovemodel?Siapakahangmencadangkanodel i atas?

A ErnestRutherford

B JamesChadurick

C J.JThomson

D NeilsBohr

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ollowing quation epresents reaction.Persamaanberikutmewakili satu tindak balas.

3H21d N2tu; 2NHqsy

What is the relativemolecularmassof the product?

[Relative tomicmass 'H=l; N=!4 ]Apakah isim molekul relatifbagi hasil ersebut?

[Jisimatomrelative: H=l; N=l4 ]

A2

817

c28

D34

\/V}rich f the followingare the specialcharacteristics f transitionelements?Antara yang berikut, yang manakah merupakan ciri istimewa bagi togamperalihan?

I Formcoloured ompoundsMembentu sebati n benuarna

ll Can be usedas catalystBoleh digunakan sebagaimangkin

lll Have ow meltingpointMempunyaitakat leburyang rendah

lV Haveonly oneoxidation umberMempunyai satunombor pengoksidaan ahaja

A lonlyI sahaja

B land l lonlyI dan ll sahaja

C l, l l and l l onlyI, ll dan tll sahaja

D l, l l , l l l and VonlyI,ll,lll dan V sahaja




sul-rT

4

DiagramRajah

Diagram showshenumber f atomsna molecute. hichbe hemolecule?Rajah1 menunjul<Ranilanganatamdalamsatumateku!.yangmanakah ungkinmolekulitu?

A Carbon ioxide

Katbondioksida

B AmmoniaAmmonia

C ChlorineKorin

D WaterAir

Which fthe ollowingsan electrolyte?Antaraangberikut,angmanakahmerupakanteWrolit?

A Copperll} sulphateolutionLarutanuprumll) suffat

B Molten aphthaleneLebunnnaftalena

C GlucoseolutionLarutan lukosa

D ZincmetalLqam zink

434trt

of the following ould

Antarc yang berikut,






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Diagram shovrs he pH values or solutionP,Q, R and S with he sameconcentration.Rajah 2 menunjukkan nilai pH bagi larutan larutanP, Q, R, dan S dengan kepekatanyang

sama.

pH

scale

DiagramRajah2

\Mratare he possible olutions f P, Q, R and S?Apakah larutanyang mungkinbagiP, Q, R dan S?

Ethanoic acid Sulphuric acid Sodium hydroxide Sodium chlorideAsid etanoik Asid suffurtk Natrium hidroksida Natrium klorida

\Altrich f the followingsalts can be preparedby precipitationeaction?Antara garam yang berikut, yang manakah boleh disediakan melalui t indak halaspemendakan?

A Barium ulphateBarium sulfat

B Sodiumchloride

Natrium kloida

C Aluminium nitrateAluminium nitrat

D Potassium arbonateKalium karbonat

A

B

c

D

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P o R S

P o S R

o P R S

o P S R






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10 AlloyX is madeby mixingronwithcarbon,hromiumndnickel. hat sX?AloiX diperbuat enganmencampurkanesidenganRarbon,romiumdannikel.ApakahX?

B PewterPiuter

C BronzeGangsa

D Stainless teelKelulitahan karat

11 \Mich of the followingdoes not affect ate of reaction?Antara yang berikut,yang manakahtidak mempengaruhikadar tindak balas?

A Total surfacearea of reactantJumlah luaspermukaanbahan tindak balas

B Concentrationf solutionKepekatan arutan

C Presenceof catalystKehadiranmangkin

D Volumeof solutionlsipadu larutan

12 Wtich of the following rganic ompoundwillundergo ydrogenationeaction?Antara yang berikut,yang manakah sebatianorganikyang akan mengalami tindakbalaspenghidrogenan?

A PropenePropena

B PropanePropana

C PropanolPropanot

D Propanoic cidAsidpropanoik

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A SteelKeluli







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13 \A/lrichf the ollowing xplains n oxidation rocess?Antarayangherikut,yangmanakahmenerangkanproses engoksidaan?

Lossof oxygen

Kehilangan oksigen

Gain of electronsPenerimaan electron

Lossof hydrogenKehilangan hidrogen

Decrease n oxidationnumberN ombo pengol<sid an berku ang

DyesPewama

ThickenerPemekat

AntioxidantPengantioksidd

PreservativePengawet

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in vinegar. What typ of food

buah 'manggadi dalam cuka.

tihat sebelah

14 Pickled mango is preparedby soakingmangoadditives vinegar?Jeruk mangga disediakandenganmerendamApakahenisbahan ambahmakananbagicuka?






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15 The thermochemicalquationor the decompositionf calciumcarbonate,is as follovus:Persamaan termokimia bagi penguraian kalsium karbonat, caco3 adatahberikut:

CaCO3 + CaO + COz AH=+l7gkJ

wrich of the followingenergy eveldiagram epresentshe equation?

lntlrayang berikut, yang manakah gambarajah aras tenagi mewakiti persamaan

itu ?

AtrnergyTenaga

EnergyTenaga

cEnergyTenaga

EnergyTenaga

45d.1tI

CaCO3

seperti

B

D

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= +178

CaO+ COz

= +178

CaC03

AH= +178

AH= +178

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DiagramRajah3

Whatare he hreestates f matter?Apakah eadaanizikaljirimdi atas?

tl i l lGasGas

LiquidCecair

Sol idPepejal

SolidPepejal

LiqudCecair

GasGas

LiquidCecair

Sol idPepejal

GasGas

LiquidCecair

GasGas

Sol idPepejal

f he substanceelow ontainshesamenumber f atoms s n oneof chlorineas?Antarabahanyang berikut, ang manakahmengandungi ilanganatomsamadengansatumolgasklorin?

A 1 molneonI rnolneon

Tzmolsodium% mol natrium

T"mol carlcon ioxide% mol karbon dioksida

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mole

yang

i l l

A

D




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Diagram4Rajah

Diagram 4 shovus parts of the periodic Tabre of Erements.Tle symbols x, y andz arenot heactuar ymbors f heerements.\Mich of thefollowing hourshe correct rrangementf elements , X, y andZ inorderof ncreasingtomic ize?

laian + menuniukkan ebahagian adua!BerkalaJnsur. imbot-simbolw, x, y danZ tidakmewakili imbo!sebenir unsur.Altara yang berikut,yangmanakahmewakilisusunan ang betut pertambahan

aizatombagiunsur-unsurW, , y danZ ?

A W,X,Y,Z

B X,Y,W,Z

C Y, Z,X,W

D Z,Y,WX

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W Y z

X






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DiagramRajah5

In Diagram , substance lights p he bulb n themolten tate.Mich statementbestexplainshe observation?

Dalam Rajah5, bahanX menyalakanmerrtotdalamkeadan eburan.Pemyataanyangmanakah alingbaikmenerangkanemerhatianersebut?

X consistsof ionsX terdiri daripada ion-ion.

X consistsof moleculesX terdiri daripada molekul-mole4ul

X hasfreely moving onsX mempunyaiion-ion bebas bergerak

X has ons n fixedposition

X mempunyaiion-ion dalam kedudukantetap

20 A studentconstructed chemical ell usinga copper od, a zinc rod,copper ll)

sulphate solution and connectingwires. \A/hichof the following will act as thepositiveerminal?Seorang pelajar membina safu se/ kimia menggunakan rod kuprum, rod zink,

larutan kuprum (ll) sulfat dan wayar penyambung. Antara yang berikut, yang

m an aka h akan meniad terminal positif?

Copper odRod kuprum

Zinc rodRod zink

ConnectingwiresWayar penyambung

Coppe(ll) sulphate olution

Larutan kuprum (ll) sulfat

11

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shouvshe set-upof apparatusor the titration f 25 cm31.0 mol drn3sodiumhydroxide olutionwith0.5 moldm-3 f sulphuric cid.Rajah 6

^menunjut<Ran usunan radasbagi titratan 25 cms arutan natrium hictroksida .0

mol dm' dengan asid sulfurik 0.5 moldm'".

0.5moldm-3 f sulphuriccid

0.5mol dm'" asidsulfurik

25 cm31.0moldm-3 odium ydroxidesolution phenolphthalein

25 cm' larutannatium hidroksida1.0 mol dm'3+ feno!ftalein

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DiagrarnRajah 6

What is the volume of 0.5 mol dm-3of sulphuricacid solution equired o completelyneutralize 5 cm31.0 mol dm-3 odiumhydroxide olutions?Berapakah isipadu 0.5 mol dm' asid sulfurik diperlukanuntuk meneutralkan engkap 25cm3 arutannatrium hidroksida .0 mol drn?

A 12.50cm3

B 25.00cm3

C 50.00 cm3

D 75.50 cm3






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22 Wftichof the following ons orm whiteprecipitatehat dissolves n excessamrnoniasolution?Antara ion-ion berikut,yang manakah menghasilkanmendakanputihyang larutdalam larutan ammonia berlebihan?

A Mgt*

B AI3*

c znz*

D Pb2*

23 The equationbelowshows he formationof a compositematerial rom its originalcomponent.

Persamaandi bawah menunjukkanpembentukansatu bahankompositdaripadakomponenasalnya.

Plastic + Glass ibres FibreglassPlastik + Gentian kaca --| Kaca gentian

Why is fibreglassbetter han commonplastic?Kenapakahkaca gentian ebih baik daripada plastikbiasa?

A High ensilestrengthKekuatan regangan tinggi

B Resistanto corrosionTahankakisan

C Able to withstandheatTahan haba

D Good conductorof electricityKonduktorelektrikyang baik

24 Whichof the followingwillmakemeat ast onger?Antara yang berikut,yang manakahboleh menyebabkandaging tahan tebih ama?

A Boil he meat or an hour.Mendidihkan daging untuk satu am.

B Dry he meatunder the sunMengeringkandagingd bawah matahari

C Keep he meat n a refrigerator.

Menyimpandaging di dalampetisejuk

D Fry he meatand keep ntoa container.Menggorengkanagingdan menyimpan idalam bekas

13 Lihat sebelahB a n k S o a l a n S P M . b l o g s p o t





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25 The equationbelowshovvs reactionof alkene.Persamaandi bawahmenunjukkan indak balasalkena.

CH3CH=CH2+ Y +CH3CH2CH2Br

Which of the following s Y?Antara yang berikut,yang manakah Y?

A Bromine,Br2Bromin, Br2

B Hydrogen romide,HBrHidrogen bromida, HBr

C Sodiumbromide,NaBrNatrium bromida, NaBr

D Magnesium romide,MgBr2Magnesium bromida, MgBr2

26 The followingshows an ionicequation.Yangberikut menunjukkansuatu persamaanon.

P 1s; Qtn("d * P2*("0 + Q

Basedon the equation,which of the following s true?Berdasarkanpersamaan tersebut,yang manakahbenar?

A P is oxidised.P dioksidakan.

B P2* s oxidised.f dioksidakan.

C Qz* s a reducing gent.Q2*adalahagenpeneurunan.

D Q2' donateselectrons.Q2*mendernaelektron.

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shows he results btainedwhenmetalX is added ntosolutionA.Rajah 7 menunjukkan keputusanyang diperoleh apabila ogam X ditambahkedalam larutan A.

SolutionA beforeaddingmetalXLarutan A sebelum ditambahkan ogamX

Solution after addingmetalX

Larutan 4 se/epas ditamhahkan logam

DiagramRajah 7

Which of the followingexplains he reaction?Antara yang berikut,yang manakahmenjelasRan indak balastersebut?

A Displacement nd endothermicPenyesaran dan endotermik

B Displacement nd exothermic

Penyesaran dan eksotermik

C Precipitationnd endothermicP emendakan dan endoterm k

D Precipitationnd exothermicPemendakan dan eksotermik

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tl nl

otl

o- s-tlo

IV

CHsf ( CHz)rr t o- Na*

DiagramRaiah

Based n Diagram ,which s hehydrophilicart n sodium odecyl ulphate?

Berdasarkan ajah8,yangmanakah ahagian idrofilik alamnatium dodekil

sulfat?

AI

Bl l

c l l l

DIV

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ndchlorine-37rehruosotopes fchlorine.Mratare he differencesin hese sotopes?Kortn4l dan klorin3T adalahdua isotopklorin. Apakahperhezaandi antara

isotopisotop ni?

I Proton umberNomborproton

ll Nucleon umberNombor ucleon

lll PhysicalpropertiesSifat-sifatizikal

lV ChemicalpropertiesSifat-sifat imia

A land lI dan l

B l land l lll dan ll

C land l lt dan tt

D l land Vll dan V

4il1tl




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30 Diagram shows he set-upof apparatuso determinehe empiricalormulaofmetaloxide.n/1h 9 menuniukkansusunan radas untuk menentukan ormula empirik bagiol<sidaogam.

MethodKaedah I

Method lKaedah ll

CrucibletidPenufupmangkukp'jar

ChemicalsubstanceBahankimia

Dryhydrogengas

ChemicalubstanceBahanKimia

Gashidrogenkering

DiagramRajah

\Nhich f the ollowings he correctmatchorMethod andMethodl?Antarapadanan eikut,yangmanakah etulunfukKaedah dan t?

Method Method lKaedah \aedah ll

A Copperll)oxide Lead ll) oxideKuprum ll) oksida plumbum (ll) oksida

B Lead ll)oxide Copper ll) oxidePlumbumll) oksida Kuprum (ll) oksida

C Magnesiumxide Lead ll) oxideMagnesium ksida Plumbum(ll) oksida

D Copperll)oxide Magnesium xideKuprumll)oksida Magnesiumoksida

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Diagram 0

Rajah 10

An atom of elementX reactswith elementY to form a compound. A/hat s theformulaof the compound ormed?satu atom unsur x beftindak balas dengan unsur y menghasilkan safusebatian.Apakah ormulabagi sebatianyang terbentuk?

AXY

B X,Y

G XYZ

D XzYz

Manycovalent ompoundsre usedas solvents.fthichof the followings not asolventorpaint?Kebanyakansebatiankovalendigunakansebagaipelarut.Antarayang berikut,

yangmanakah ukanpelarutuntukcat?

A EtherEter

B WaterAir

C EthanolEtanol

D TurpentineTurpentin

XY




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33 Diagram 1shows he apparatuset-up n flrs elec{roplatingf an ironspoonwithsilver.Raiah11 manuniul<katosunan adasuntukmenyadursatusudu fusi denganaryentum.

Silver oil /kepinganrgenttmt

SolutionYllarutan

Diagram1Rajil tl

IMratcouldbe solutionY?Antanyangbeikut,yangmanakaharutan ?

A lron ll)sulphateFerum(ll)ultat

B lron ll)chlorideFerumll)klofda

C SllverhtorideArgentumlafida

D SilvernitrateAryentunnttrct

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pH= 1.0

1.0moldm-3hydrochloric cid

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pH= 5.0

Ht-----tt:_':F1.0moldm-rethanoicacid

Diagram12Rajah12

In Diagram12, he pH value of ethanoic cid is higher han he hydrochloriccid.Whichof the following, xplain he difference?Dalam Rajah 12, nilai pH asid etanoik lebih tinggidaripada asid hidroklorik. Antara yang

berikut, yang manakah menerangkan perbezaan tersebut?

A Ethanoicacid has lowconcentration f H*Asidetarnik mempunyaiRepekatan f yang ren&h

B Ethanoicacid is a strongacidAsid etanoik iatah asid kuat

C Hydrochloric cid s a weak acidAsid hidroklorik ialah asid lemalt

D Hydrochloriccid has highconcentrationf OHAsid hidroklorikmempunyai epekatanOH-yang inggi




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35 Diagram 3shows series f reactionhat nvolvesompound .Rajah13 menunjukkan atu ii tindakbalas ang metibatkanebatianG

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Addedwithdilutehydrochloric cidandfiltered.Tambah asid hidroklorik cair dan dituras

22

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Addedwithammonia olution

untilexcess.Tambaharutanammonrasehinggaberlebihan

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Diagram3Rajah13

G isa mixture f rrrc alts.Amonghe ollowing, hat sG?G adalahcampuran uagaram.ApakahG?

A Lead ll )nitratendzinc arbonatePlumbum(ll)nitratdan zinkkarbonat

B Lead(ll) itrate ndaluminiumitratePlumbum(ll)nitratdan aluminium itrat

C Silver ulphatendcopperll )carbonateArgentum ulfatdankuprum(ll) arbonat

D Magnesiumulphatend ead(ll) arbonateMagnesiumulfatdanplumbum(il) ahonat

WhiteprecipitateissolvesMendakanutihmelarut







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36 Diagrum4shorrnscamera,Rajah4 menunjukkanejeniskarnora.

QuartsensKantakuarba

Diagram4Rajah4

T/haJypeofglasssusedo makehequartzens?Apakaheniskaea angdigunakanntukmembuatantakuartza?

A FusedglassKacasilikaedakur

SodaimegfassKacasoda apur

BorosilicatelassKacabonsilikat

Lead rystalglaseKacaplumbum

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37 A student carried out an experiment o determine he rate of reaction behoeencalciumcarbonateand dilute hydrochloric cid. The volume of carbondioxidegascollectedat intervalsof 0.5 minutes s recorded n Table 1.Seorang pelajar menjalankan eksperimen untuk menentukan kadar tindak balasantara kalsium karbonat dan asidhidroklorikcair. lsipadu gas karbon diot<siJaiigterkumpul pada selang masa0.Sminit direkoddalamJadial I.

Time (min)Masa (minl

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

F#i""orco2as

f'#r,*sasco2

0 27 46 59 70 79 86 92 95 95 95

Table1Jadual 1

What is the average ateof reaction n the thirdminute?Apakah kadar tindak balaspurata dalamminit ketiga?

A 28.67cmsmin-1

.B 23.75 cm3min'1

C 16 cm3min'1

D 14 cm3min-

38 Propane, gHa ndergoesompleteombustionoandwater,H2O.

produce carbon dioxide,COz

Propana, cslla mengalami pembakaran lengkap untuk menghasilkan karbondioksida,COzdan air, H2O.

calculate the volume of carbon dioxideproducedwhen 0.5 mol propaneburnscompletely t room emperature.

[Molar olume = 24 dmsmol'lat oom emperature]Kira isipadu gas karbon diaksidayang terhasil ipabila 0.5 mo! propana terbakardengan lengkap pada suhu bilik

fisipadumolar=

24 dm3mollpadasuhubilik]

A 72.0dm3

B 36.0dm3

C 24.0dm3

D 12.5dm3

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\Nhat s the oxidationnumberof X in X,.'ot?-on?Apakahnombor pengoksidaanbagiX dalam ion XrOrz-?

A+3

B+4

C+5

D+6

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2 shovrrshe temperatureeadingsor the reaction etween 5 cm' of 0.1moldm3hydrochloriccidand25 cm3 f 0.1moldm-3odium ydroxideolution.

Jadual2 menunjukkan acaansuhu untu?tindak batasdi antara25 cm3 asidhidroktorik .1 mol dm'3 dan 25 cmr arutannatriumhidroksida .1mol dmn.

Average nitialtemperatureeforebothsolutions re mixedSuhu awa kedua-dua larutan sebelumdicampurkan 300c

Highestemperaturefterboth olutionsremixedSuhu eftinggiarutan e/epas icampurkan 43"C

Table2Jadual2

Calculatehe heatproducedrom he reaction.Krakan haba yang terhasil daripada indak balastersebut.

A 25cm3 x 4.2J g-1 C-lx 13oC

B 25cm3 x 4.2J g-1 C-lx 43oC

c 50cm3 x 4.2J g-1 c-1x 13oC

D 50cm3 x 4.2J n-log-r

x 43oC




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41 Diagram15 shovre he molecularormulaof an organiccompound.Rajah 15 menunjukkan ormulamoteku!hagi suafu sebatiai organik

csHzoo czHs

Diagram5

. Rajah 5

Thecompounds an ngredientn making ineappleam. /r/trats the unction f thecompound?sebatian tu adalahsuafu bahandalampenyediaanem nenas.Apakah ungsisebatianersebut?

To make he jam thickerUntuk memekatkan em

To enhance he flavorUntukmenambah pertsa

To preventoxidationUrttuk menge akkan pep ksidaan

To sweeten he am

Unfukmenambah kemanisan em

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TableJadual3

Whatare hephysical tates f substances ,X, Y andZat 11e"C?Apakahkeadaan izikalbahanW,X, Y dan Z pada119C?

D

SubstanceBahan

Melt ingpoint/oCTakat ebur/" C

Boiling oint "CTakatdidih/ "C

W -123 7B

X ,10 104

59 224

z 120 445

W X zLiquidCecair

LiquidCecair

Sol idPepejal

GasGas

GasGas

Solid

Pepejal

LiquidCecair

GasGas

SolidPepejal

LiquidCe air

GasGas

GasGas

GasGas GasGas LiquidLiquid SolidPepejal




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43 Table4 shornche percentagey massof eachelementn a compound nd heirrelative tomicmasses.Jadual 4 menuniukkan eratusanmengikut isim bagi sefi.bpunsur dalamsafusebatian anuga isim atom elatifmasingrmasing.

ElementsUnsur c H o

Percentage %)Peratus(T) 26.70 2.20 71.10

Relativeatomic mssJisim atom relative 12 1 16

Table4Jadual 4

\Mrat is the empirical ormulaof the compound?Apakah formula empiik untuk sebatian ersebut?

A CHO

cH()2

cH20

CzHO

44 ElementZ forms an oxide with the chemicalformulaof 2203.\Attrichf the followingis rue about hisoxide?Unsur Z membentuk oksida dengan formula molekul ZzOs.Antara yang beikut,yang manakahhenar tentang oksida ni?

A The oxide of Z reactswithacid only.OksidaZ bertindak balas dengan asidsahaja.

B The oxideof Z reactswith alkalionly.Qksida Z beftindak balasdengan alkalisahaja.

Theoxideof Z reactswith bothacidand alkali.OksidaZ bertindak balasdengankedua-dua asiddan alkali.

The oxide of Z does not reactwith bothacidand alkali.OksidaZ tidak bertindaKbalasdengankedua-dua asiddan alkali.

B

c

D

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l t t






SULIT 4541t1

45 Atom X hasan electron rrangement f 2.4.AtomY hasprotonnumberof 17.Whatare he properties f the compoundormedbetween lementsX andY?Atom X mempunyai susunanelel<trom .4.Atom Y mempunyainomborproton 17.Apakah ciri-ciri sebatianyang terbentukantara unsur X dan unsur Y?

I l t hashighboi l ing oint .la mempunyaitakat lebur yang tinggi.

ll lt does notconductelectricity.la tidak boleh mengkonduksi elektrik.

lll lt does notexistas a solidat room emperature.la tidak wujud sebagaipepejal pada keadaan bilik.

lV l t s solublen organic olvent.

la larut dalampelarut organik.

A I and l onlyI danII sahaja

B ll l and V onlylll dan lV sahaja

C l, l l and l l onlyl, ll dan lll sahaja

D l l , l l and V onlyll, lll dan V sahaja

46 The electrolysis f copper (ll) sulphatesolutionwas carried out using copperelectrodes.Whatre he observation t anodeand he product t cathode?Eleldrolisis larutan kuprum (ll) suffat menggunakan elel<trod-elel<trod uprumdijalankan.Apakahemerhatiandi anod dan hasildikatod?

Observation t anodePe,msrhatian ianod

Productat cathodeHasitdikatod

Electrodebecornes hickerElel<trodmenjadi ebih tebal

CoppermetalLogam kuprum

Electrode ecomeshinnerElectrodemenjadi ebihnipis

CoppermetalLogam kuprum

Colourless as bubblesGelembung gas tidak berwarna

OxygengasGas oksigen

Colourlessasbubbles

Gelembung as idak berwarna

Hydrogen as

Gas hydrogen

A

c

D

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47 The equationbelowshoue the reactionbetrrr,eenagnesiumPersamaandi bawah menunjukkan indak batasdi antarahidroklorik.

30454lll@ 2011Hakcipta abatanelajaranegeri ohor

Mg + 2HCl -' MgCl2 + Hz

lf 0'48g of magnesiums used,calculatehe volumeof 0.5 moldm-3 ydrochloriccidneedso beaddedor completeeaction.[Relativetomic nss : H=1: Mg=24;Cl=35.5]Jik10.a8 g magnesium igunakan, itungkln isipaduasidhidroktonkO.S ol dm'3 angperluditambah ntuk indakbalas ang engkap.fJisinatom elatif.'H=1;Mg=24;Cl=35.5]

A 0.08cm3

B 0.8cms

C Scmo

D B0cm3

4541tI

and hydrochloricacid.magnesium dan asid

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SULIT 4541t1

48 Diagram16 shows he set up of the apparatusorthe actionof heat on zinc carbonate,Aftera few minutes imewater urnscloudy.Rajah16 menunjukkansusunan adas bagikasan habake atasbahan W.Se/epasbeberapaminft air kapur menjadikeruh.

tI

IHeat

Panaskan

Limewater

Diagram 6Rajah'16

The massof the boiling ube with he contentbeforeand afterthe heating s recordednTable5 below.Jisim tabung didih dengan kandungannya sebelumdan se/epas dipanaskandicatatkandalam Jadual5 di bawah.

BeforeheatingSebelum emanasan

31.25s

AfterheatingSe/eoasDemenasan

2O.259

Table5Jadual 5

Calculatehe volumeof the gas releasedn dm3at room emperature.[Rejativeatomicmass: c=12; o=16; Zn=65; Molarvolume at room temperature 24dm'mol'tlHitung isipadugas yang terbebasdatamdmspada suhubitik.[Jisimatom relatif:c=12 0=16; zn=65; lsipadumolarpada suhu bilik= 24 dmsmoIl]

A3

11

12

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SIJI,I'I'








SUUT

4(t Qiagrarn8shoruEour ronnailsn est ubes, , e, RandS.laigh 16 menuniukkanmpatpaku iletakkanioaam empatabungujiP,Q RdanS"

Hot ellysolution potassiumexao/anofenate(lll)olutionLarutan gar-agar anas larutanalfumheksdsilnofent(ilt)

lronnailwith eadPakubesidengan

Plumbum0

lronnailwithzincPakubesidengan ink

R

lronnaifwithmagnesiumPakubesidengan

magnesium

S

#{\ronnail

withsilverPakubesidengan

argentumP

32454lll@201Hakciptaabatanelajaranegeriohor

Diagram6Rajah 6

which est ubeshowshehighestntensityf bluecolourationfiera day?TaPu!1g.uiimanakah angmempunyaieamatanwamabii yang tiiggi setepassatuhari?

AP

BO

CR

DS

SIILIT







SULIT 4541t1

50 Table 6 shovrrs data recordedwtren100 cm3of water rltras eatedusing methanol,CH3OH s a fuel.Jadual 6 menunjukkan data yang direkodkan apabita 100 cm3 air dipanaskandengan menggunakanmetanol, CH3OHsebagaibahan api.

Massof vrraterJEim air 10O

Changen temperaturef r,trater,Perubahanuhuair,0 200c

Mass f methanolburntJisimmetanolerbakar 0.32

Table 6Jadual 6

\Alhat s the heat of combustionof methanol n the reaction?

Apakah haba pembakaranmetanol di dalam tindak balastersebut?

[Specific eatcapacity f solution: .2 J g'1oC-1; olarmassof methanol,CHOH is32 g mol-l1

tHiba kapasffispesifik arutan: .2 J g'1"CI;Jisim molar metanol,CH3OHadalah32 g mofll

A 0.84 kJ nrcl-r

B 8.4 kJ mol-r

C 84 kJ mol'l

D 840 kJ mol'l

ENDOF QUES'IIQNPAPER

KERTASSOALAN TAMAT

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Kelas:ama:. . . . . . . , . .

nt t l t \

t l t t l

, vr ta- l I

, w- I

r ,L> \\---.-/

PEPERIKSAANCHEMISTRYKertasSeptember

2%janDuaam igapuluhminit

454112

JABATAN ELAJARANEGERIOHOR

PERCUBMN PM2011

JANGAN UKAKERTASOALANNISEHINGGAIBERITAHU

1,

2.

3.

Tuliskanama an ingkatanadaruangangdisediakan.

Kerfasoalanniadalahalamdwibahasa.

Soa/analam ahasanggensmendahuluioalanang epadandalam afiasaMelayu.

Caondibe a {<ame jawbkeselruhan tausebahagiansoalana/na dadalam ahasalnggeis taubahasa elayu.

Calon ikehendakiembacamaklumatihalamanelakangkeftasaalanni.

4.

5.

Untuk egunaanemeriksa

BahagianSoalanMarkahPenuh

MarkahDiperoleh

A

1 10

2 10

3 10

4 10

5 10

6 10

B7 2A

I 20

c

I 2A

10 20

Jumlah

Kertasoalannimengandungi29alamanercetak

4541120 011 akciptaabatanetajaranegeriohorSULIT

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SectionABahagianA

[50marks]160markahl

Ansvr,erll questionsn hissection.Jawabsemuasoalandalambahagianni.

1 (a) Diagram .1shows hemanufacturef ammonia.Rajah 1.1dibawahmenunjukkanembuatan mmonia.

-lI

_l

2

Mixture fNz ndHz200atm

Campuran

N2 dan H2200atm

The unreactedN2and H2N2 dan H2yang tidak bertindak balas

lroncatalyst450r

Mangkinbesi45eC2gasGas H2

Based n Diagram.1Berdasarkan ajah1.1

(D Name his ndustrial rocess.Namakanproses ndustrini.

Liquid mmoniaCecairammonia

Diagram.1Rajah1.1

[1 mark]

(iD State he namesof reactantsused.

454112@2O1 Hakcipta abatan

petajaranNegeri ohorSULIT







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Nyatakan nama unfuk bahan-bahan indak balasyang digunakan.

[1 mark]

(iiD Theammonia as ormeds condensedndseparated.Jhy?Gasammonia ang terhasildikondensasikanan diasingkan. enapa?

Write two main usesof ammonia.Tuliskandua kegunaan utama ammonia,

[1mark]

(iv)

(b) Diagram1.2 shows hreesourcesof traditionalmedicines.Rajah 1.2 menunjukkantiga sumber ubat tradisional.

oDiagram.2Rajah1.2

Match he hreesour@sof raditionalmedicine ith heirusesby usinga lineP ad anka n ketiga-tiga contoh-conto h sumber denga n keguna an ny a.

[2 marks]

[1mark]

[Lihat sebelah

P

(c ) The ollowing howsourexamplesf modernmedicines.

454112 @2011Hakcipta abatan etajaranNegeri ohorSULIT

Curesore hroat

Treat kinwoundsMerawatuka kulit







SULIT 4

Di bawahmenunjukkan mpatcontohubatmoden.

Haloperidol n BarbituratesHaloperidol - Barbiturat

Paracetamoll--lParacetamol

Streptonrycint_]Strefromysin

Tick {) in the boxprovided bove o indicate nalgesicshat elieve ain.Tanda l) di dalam kotakdi atasuntukubat analgesikangmengurangkankesakitan.

[1 mark]

Name nother xample f analgesicshat s used n headacheablets nd ncoughmedicines.What s the sideeffectof thismedicine?

Namakan ontoh ain analgesikangdigunakan alamubat sakitkepala anubat batuk Apakahkesan ampingan ontohubat ni?

[2 marks]

(iiD An attention eficit yperactivityisorder hildmay akedextro-amphetamine,psychotheraeuticmedicine. tate ts unctio .

Seorang anak-kanak iperal<tif an bermasalahurang umpuanbolehdiberiubat dert oamfetam n,satu contoh ubat psikoterputik . Nyaakan fungsi ya.

0

(iD

-

markl







SULIT

2

5

Diagram showspartof the Periodic ableof Etenrents.V, \N,X,Y,Z andU do notrepresenthe actual ymbols f the elements.

Rajah2 menunjul<kanebahagianaipadaJadualBerkala.V, W, X, Y, Z danU tidakmewakilisimbolsebenar nsur berkenaan.

1 18

Diagram2Rajah2

Usinghe etters ndiagram ,answerhe ollowing uestions:Denganmenggunakanuruf-huruf alam ajah2, awabsoa/an-soalan erikut:

(a)(D Vvhich lements a halogen?Unsuryangmanakahadalahhalogen?

tMich elements transition lernent?Unsuryangmanakah ogamperalihan?

[1rarkl

(iD

[1rmrkl

(iiD \Mich elements monoatomic?Unsuryang manakahmonoatom?

[1 markl

454112@2O11Hakciptaabatan etajaranNegeri ohorSULIT

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(b) (D Write he electron rrangementor anatomof element .Tuliskansusunaneleldronbagi atomunsurX.

[1 mark]

(iD writethe ormula f the on ormedroman atomof erenrent .Tuliskanormulabagi onyangterbentukdaripadasatuunsurX.

[1 mark]

(c) (D \Mryareelements , Y andZ placedn hesameperiod?MengapakahunsurX, Y danZ terletakdalamkalayang sama?

[1 mark]

(ii) furangeelernents , Y andZ accordingo the decreasen he sizeof atoms.SusununsurX, YdanZ mengikutpengurangansaizatom.

[1 markl

(d) (D Write he balancedhemical quationor he reaction etureen lement andoxygen as.

Tuliskan ercamaanimia seimbang agitindak alas i antaransurXdan gasoksigen.

[2 marks]

(ii) Elernent dissolvesnwatertoproduoe solution.Completeheequationor he reac.tion.

Zz + HzO '-+ .. . . . . . . . . . . . . . . . . . . .

[1 mark]

454112@2o1 Hakcipta abatanpelajaranNegeri ohorSULIT







SULIT 7

Diagram shovrrshe apparatus et up o determinehe melting ointof substance . Inthisexperiment,olidX is heated ntil t changeso molten tate.

Rajah3 menunjukkan usunan adasuntukmenentukanakat eburbahanX. Dalamekspermenni,pepejalX dipanaskan ehinggaa berubah epadacecair.

mipanaskan

ThermometerTermometer

BoilingubeTabungdidihater

AirSubstance

BahanX

DiagramRajah

Based n diagram , ansu,erhe ollowinguestions.Berdasarkanajah3, awab soalan-soalanerikut.

(a) What s thenameof theprocesswhensolidchangeso molten tate?Apakah prosesapabilapepejalberubahmenjadieburan?

t- -

[1 mark]

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(b) SolidX hasa nrelting ointof 90oC.f a test ubeof moltenX at 150oCsallora,edocoolat room emperature,

PepeialXmempunyaitakateburg}o2. SekiranyaabungujiyangmengandungileburanX padasuhu 150oC isejukkanpadasuhubilik,

0 Sketch graphof temperaturegainstime or hecooling f moltenX.Lakarkangrafsuhumelawanmasaunfukpenyejukaneburanx.

[2 marks]

(iD How o avoidsupercoolingrocess?

Bagaimanauntukmengelakkan rosespenyejukanampau?

[1 mark]

(iiD Drawa labelled pparatuset-upor hecooling rocess f substance .Lukissusunanadasberlabel nfukproses enyejukan agi bahanX.

[2 marks]

454112@2o1IHakciptaabatan etajaranNegeriJohorSULIT







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Particlesonsist f atom,moleculeZarah-zaraherdiridaripad atom,neutral?

I

or ons. A/hys an atomneutral?molekulatau on. Mengapakah tom adalah

(c)

(d)

[1 mark]

A bromine tomhas35 protons nd45 neutrons.Write he standardepresentationof bromine tom.Satuatombrominmempunyai3S rotondan 45neutron.Tuliskan erwakilan iawaiuntukatombromin.

[1mark]

(e) (D Whatare sotopes?Apakah sotop?

[1mark]

(iD Phosphorus-31ndphosphorus-32re sotopes f phosphorus.tate neuseof phosphorus-32.

Fosforus-3 dan fosforus-32datah sotopuntuk osforus.Nyatakan atukegunaanosforus32.

[1 mark]

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4 The hermochemicalquationepresenthedisplacementeaction f copperromcopper(ll)sulphateolution y zinc.

Persamaanermokimia erikutmewakilitindakbalaspenyesdranuprumdartpadaarutanRuprum(ll)sulfatolehzink

Zn (s) + Cusoa(aq) + ZnSoa aq) + cu (s) AH= 190kJ/molr

(a) State he meaningof heatof displacement.Nyatakanmaksud haba penyesaran.

.1markl

ls t an exothermiceaction r endothermiceaction?Adakah a tindakbalaseksotermiktauendotermik?

[1 mark]

(c) State wo observationsn thisexperirnent.Nyatakan uapemerhatian alam indakbalasni.

10

(b)

(d) Drawan energyevel iagramor his eaction.Lukisgambarajaharas enagabagitindakbalasni.

[2 marks]

454112@2o11Hakciptaabatan etajaranNegeri ohor

SULIT

[2 marks]







SULIT 11

(e) In heexperiment,xcess incpovrder asreactedwith25 cmsof 0.2rnoldm'3copper(l) sulphateolution.Dalam.eksperimentu, serbuk inkbertebihan itindakbalaskan engan23 cm3larutankuprum(ll)sulfat0.2mol dm'?.

Calculatehe heatenergyeleasedn hisexperiment.Hitungkanenagahabayang dibebaskanidalam eksperimenni.

[Specificea tcapacity f solution:4.2J -tog't'Density f solution: g crn3]lMuatanhaba entu arutan:4.2J g't oc-,;Kefumpatanlarutan: g cm'-1

[2 marks]

(b) In another eaction,incwasreplaced ithmagnesiumo reactwithcopper(ll)sulphate olution.Predicfhe valueof heatof displacernent,H andexplainwhy.

Dalam satu indak balasain,zink telahdigantikandenganmagnesiumuntuk beftindakbalasdenganarutankuprum(ll) ulfat.Ramalkan ilaihaba penyesaran,H dan erangkanmengapa.

[2 marks]

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-

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Diagram .1 shovvs flowchart or hequalitative nalysis f substance .Rajah5.1 menunjukkanartaalir analisis ualitatffbagisebatian .

12

ProcessProses /

Add hydrochloric cid,HCIsolutionTambah larutan asidhidroklorik, HCI

ProcessIIProses II

Solution + Sodium ydroxide,NaOH olution

LarutanY + larutannatriumhidroksida, aOH

Process lProses l

Solution +Silvernitrate, gN()3 olution

LarutanY +Larutanargentum itrat,AgNOs

Diagram.1Rajah .1

(a) Based n Diagram .1,BerdasarkanRajah5.1,

(i) Name he blackpovrderX.Namakan serbukhitam X.

BlackpowderXSerbuk itamX

Blue olutionLarutanbiru Y

\MriteprecipitateMendakanutih

[1 mark](ii) Name heprocess.

Namakanroses .

454112@2o11Hakciptaabatan elajaran egeri ohorSULIT

[1 mark]







SULIT 13

Writea balancEdhemicalequationor he reaction.Tuliskanpersamaanimiayang seimbang agitindakbarasyangberlaku.

t2 marksl

\Nhy sthe blackpovrder addedn excessn thereaction?Mengapaserbuk itamX ditambah ecaraberlebihan alam indakbalasni?

[1mark]

(iiD

(iv)

(b) Based n processl,Berdasarkanepadaprosesl,

0 Name heprocess.Namakanproses/a.

[1 markl

(iD Write he onicequationor he reaction.Tuliskanpersdmaanonikbagitindakbalastu.

[1 mark]

Howto obtain hewtriteprecipilaten he processl?Bagaimanamendapatkanmendakanputihdalam prosesni?

[1 markl

(c) Based n theprocess andprocessll, state hecationandanionpresentn solutionY.BerdasarkanrosesI danproses ll, nyatakan ationdananionyanghadirdi datamlarutanY.

CationKation

[2 marks]

454112@2011Hakciptaabatan elajaranNegeri ohor

SULIT

(iiD

AnionAnion

[Lihatsebelah







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Diagram .1 showsan experimento investigate factor hat nfluenceshe rateof reaction.Theexperiments repeatedive inresat differentemperatures.

Raiah 6.1 menuniukkan uatuekspeimenunfukmengkajisatufaktoryangmempengaruhikadar indakbalas.Eksperimenni diulangi ebanyakimakalipadasuhuyangberlainan.

14

:_

50 cm3of sodium hiosulphateolution0.2 mol dm'3+ 5 cm3of sulphuric cid1moldrn3.

50 cm3 arutannatrium ti\sutfat 0.2 moldm's+ 5 cm3 asidsulfurik 1 mol dma.

Diagram.1Rajah6.1

Table6 shovr,she emperaturend ime aken or "X' rmrkto disappearromviewwhenobservederticallyrom he op.Jadual6 menuniukkan uhudan masa ang diambitunfuk anda X' hilangdaripandanganbiladiperhatikan ari atas.

ExperimentERsperimen

TemperatureoC

SuhuoCTinre sMasa s

1 30.0 55.52 40.0 33.03 50.0 23.O4 60.0 17.A

5 70.0 13.0

Table6Jadual6

(a) Stateoneobservationrom hisexperiment.Nyatakansatupemerhatian aripadaeksperimenni.

454112@2011Hakciptaabatan elajaranegeriJohorSULIT

[1 mark]






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(b)

15

Completehechemical quationor he reactionhatoccurred.Lengka kan peraamaan kimia untuk indak baasyang berlaku.

Na2S2O3 HrSO4 +

(c) compare he rateof reaction etueenExperiment and Experiment.Banding adar indakbalasantaraEkspeimen danExperimen .

[1 markl

[1 mark]

(d )Explain

ouranswern

(c)usingheCollisionheory.Jelaskanawapdnandapada(c) denganmenggunakan eoriperlanggaran.

[4 marks]

454112@2011Hakciptaabatan etajaranNegeri ohor

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(e) Byusing hedata n able6, draw hegraph f emperaturegainstime or hisexperimentn thegraphprovided elow.

Denganmenggundkan ata dalamadual6, lukiskangrafsuhumelawanmasabagieksperimenni di dalamkerfasgrafyang disertakan i bawah.

[1 mark]

464112@2af Hakciptaabatan etajaran egeriJohorSULIT

16







SULIT 17

(0 Diagram6.2 shov'lsa @nversationbetweenUmmuand Qistina-

Rajah6.2 menuniukkanperbualan diantara Ummu dan Qistfna.

Diagram.2Raiah6.2

Threestudents boveare nvestigatingheeffectof differentemperatureso prepare

hardboiled ggs.Based n heconversationbove, tate he relationshipetween

temperaturend ime aken o prepare ardboiled gg.

Tigapelajar i atassedangmeng4ajikesanuhuyangberlainanReatasteluryang

direbus.Berdasarkan erbualan iatas,nyatakan erkaitan rfarasuhu denganmasayang diambiluntukmenyediakanelur rebus.

[2 marks]

[Lihat sebelah

454112@201 Hakciptaabatan elajaran egeri ohor

SULIT

When I placeda smallsizedegg in boiling aater t 100oC,it becomehard boiledwithin12 minutes.

Apabila sayameletakkan sebiiitelur bersaizkecilke dalam air

mendidihpada 10fC, iamenjadi kerasdalam temPoh

12 minit.

ButUmmu, hen placedsarrpsizedegg n hotwaterat 70oC,ttookmea muchlongerime hanyours.

TapiUmmu,apabilasayameletakkaneluryangsarnasaiz e dalamair panaspada70"C,a mengambil,??asaebih amadaripadaawak







SULIT

454112@2011Hakciptaabatan etajaranegeri ohorSULIT

18

SectionB

BahagianB

l2Omarksl

Ansr,rierny one questionrom hissection.Jawabmana-manaatu soalan aripada ahagianni.

(a) A studentwants o carryout anexperirnento electroplaten ironkeywithsilver.

Seorang elajar nginmenjalankan atu eksperimenntukmenyadursatu kuncibesidengan argentum.

(i) State he anode, athode nd electrolytehatmustbe used o carryout heexperiment.

Nyatakananad,katoddan elel<trolitang mestidigunakanuntuk menjalankaneksperimenersebut.

[3marks]

(ii) Write he half-equationsor he reaction t theanodeand he cathode.

Tuliskansetengah ersamaan agitindakbalasdi anoddan katod.

[2marks]

Suggestwo vralB o obtain smooth ndbeautiful oating f the ronkeywithsilver.Cadangkan dua cara untukmemperoleh enyaduranargenfumyangratadancantik adakuncibesi.

[2marks]

(iiD





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454112o 2011HakciptaabatanPelajaran egeri ohor

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(b)

19

Diagram showsapparatuset-upused o investigatehe reaction f metal

displacementrom ts saltsolution y somemetals nd he observationsbtained

from heexperimentn 1 minute.

Rajah7 menunjukkan usunan adas angdiguna4an ntukmengkaiitinda? elas

penyesaranogamdaripadaarutangaramnya leh beberapaenis ogam ertentu'dai

pemerhatianangdiperotehdaripadaeksperimenalam empah1 minit.

DiagramRajah

Chemicalformula or

productaqueous

solution

Apparatusandobservationafter I minuteAlat radasdan panerhatin selepas minit

Pz(SOa)g

25 cmsof0.1mol

Brown oliddepositedPepejalperangterenap

MetalPLogamP

sulphateolution

25 cms arutankuprum(ll)sulfat

0.1moldm'"

25 cm3of 0.1 nroldrn3of coppe(ll)

Brown olid

sulphateolution

25 cms arutankuprum(ll)sulfa!

0-1moldm''

25cm3 f 0.1mol

dm3of Q sulphatesolution

25 cms arutanQsulfatA.1moldma

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2A11Hakciptaabatan elajaran egeri ohor

20

(i) Based n he nfornutionivenn Diagram , comparehe differencesbetween:

Berdasarkan aklumat angdiberikan alam Rajah7, bandingkan erbezaandi antara:

. Experimentand l,Eksperimen dan Il,

r Experimentand ll.Eksperimen dan ll.

Explainouranswern erms f:Terangkanaunpan ndadarisegi:

r Positionn heelecfrochemicalseries.Keduduka da am siri eleldrokimia.

o Observationn allthree xperiments.Pemerhatian da am ketiga-tigae kspeimen.

[8 marks]

(iD ldentifymetalP andQ.Kenalpasti ogamP danQ.

[2 marks]

(iiD ln experimentl, 25 cm3 f0.1moldm-3 opper(ll)ulphateolutioneactcompletely ith metalQ.Calculatehe mass f copper roduced.

Dalam eksperimen!, 25 cms arutan uprum(tt) ulfat0.1mol dm-3 ertindakbalas engkapdengan ogamQ.Krakan isim kuprumyang terbentuk.

[Relativetomic rnss:Cu= 64]

lJisimatom elatif:Cu = 641

[3 marks]





SULIT

454112@201 Hakciptaabatan elajaranNegeri ohorSULIT

21

(a) A covered as ar contains .5molof ammonia as,NH3.Satubalanggasbertutupmengandungil.Smolgas ammonia,NH3.

Howmanyammoniamoleculesre here n hegas ar?Berapakah ilanganmolekulammonia i dalambalanggas ercebut?

[2 marks]

(b) Urea,CO(NH2)2,rrltTloniumitrate,NH+NOsnd hydrazine, 2Ha re ertilizershatare used in agriculture.Mich fertilizerhas the highestpercentagemass ofnitrogen?

Urea, CO(NH)z,ammoniumnitrat, NHNO1and hydrazin,Nzlta dalah bajayangdigunakan dalam pertanian.Baja yang manakah mengandungi peratus isimnitrogen eftinggi?

[4 marks]

(c) Diagram .1shorneheelectron rrangementf molecules andB.Rajah8.'l menunjukkan usunan leldron agimolekulAdan B.

Diagram .1Rajah8.1

Elasedn diagram .1:Berdasarkanajah8.1;

State he ypeof covalent ond n each rclecule ndexplainwhy.Nyatakanenis katan ovalendalamsetiapmolekuldan erangkanmengapa.

[4 marks]

A

O e O

[Lihatsebelah






SULIT 22

(d) Diagram .2shorarshe ormula f trapdifferentompounds.Rajah8.2menunjukkanormulabagidua sebatian erbeza.

KzO SOeDiagram .2Rajah8.2

Based n Diagram .2:Berdasarkanajah8.2:

(i) Compare ndcontrasthe wo compoundsn ermsof physical tates t roomtemperature,neltingoint, lectricalconductivityndsolubilitynwater.Bandingdanbezakedua-duasebatian ari segi keadaanizikalpada suhubilik, akat ebur,kekonduksianlektrikdankelarutan alamair.

(iD Explainhe differencesf he melting oint or he vr,rcompounds.Terangkan erbezaanakateburbagikedua-duasebatian.

, [10marks]

454112@2o11Hakciptaabatan etajaranNegeri ohorSULIT





SULIT 23

Section CBahagian C

BOmarksl

Ansvr,ernyonequestionromhis ection.Jawabmana-manasatu soalandaripadabahagian ni.

I (a) Diagram .1shows structuralformulaf butene,Rajah9.1menunjukkanormulastrukturbagibutena.

H H HHl l r l

H-C-C-C:C-Ht lHH

Diagram.1Rajah9.1

Drawanotherwo structuralormulae f butene ndwrite heir espective ames

accordingo the UPAC omenclature.

Lukisdua ormulastrul<turainbagi butenadan uliskan ama masing:masingberdasarkanenamaanUPAC.

[4 marks]

(b) Diagram .2shows hestructuralormula f anester.Rajah9.2 menunjukkanormulastrukfurbagisuatuesfer.

HHOHH

t t i l t lH-C-C-C-O-C-C-H

r t t lHHHH

Diagram .2Rajah 9.2

lLihat sebelah454112O2011HakciptaabatanelajaranegeriohorSULIT






SULIT 24

Based n diagram .2 :Berdasarkanajah9.2:

(D ldentifyhe vrrc rganic hemicals eededo produceheesterabove.Kenalpastidua bahankimiaorganikyangdiperlukanunfukmenghasitkanesterdiafas.

[2 marks]

(iD State wochemical ropertiesor eachorganic hemicatshatyoustatedne(bxD.Nyatakan ua sifatkimiabagisefiapbahankimiaorganik ang andanyatakandatam9(b)(il.

[4 rmrksl

(c) Youaregivenan apparatusndchemicals s follow:Andadiberikanalatradasdanbahan-bahanimiasepefti erikut

Apparatus:est ube,dropper.Radas; abunguji, penitis

chemicas: Brominen trichlooethae,acidifedpotassiummanganate(vl)solution

Bahankimia:bromindalam rikloroetana,arutankaliummanganat(Vtl)berasid

Describewo chemicalestsusing he apparatusndchemicals ivenaboveodifferentiateetween exane ndhexene.Yourdescription ust ncludehe procedure ndobservation.Huraikandua uiiankimia menggunakanalatradasdanbahankimiayang diberikandiatasuntukmembezakan ntaraheksana an heksena.Dalamhuraianandamesiti iseftakanrosedurdanpemerhatian.

[10marks]

454112@?fll Hakciptaabatan etajaranNegeri ohorSULIT







SULIT

10 (a)

25

Diagram 0.1shows he apparatuset-upor a voltaic etl.Rajah 10.1menunjukkan usunan adasuntuksafase/ voltan.

MetalALogamA

Copperkuprum

Aqueous olutionCuY2LarutanakueusCuYz

Aqueous olution YzLarutan akueusAYz

454112@2O1 Hakcipta abatanPetajaran egeri ohorSULIT

Diagram0.1Rajah10.1

MetalA s rnoreelectropositivehancopper.Suggest nepossible ation or X2* on.LogamA lebih eleffiropositif aripadakuprum.Cadangkansatukation angmungkinbagiion **.

Basedon the elec{rodeactorwhichaffeitsthe selec{ive ischarge f ions at theelectrode,Berdasarkanal<tor lel<tod angma,nakah empengaruhiemilihanonyangdinyahcaspadaeleldrod,

(D Write he halFequationor the reactionat the electrode f metalA.Tuliskansetengahpersamaan agi indakbalasdi elel<todogamA.

[3 marks](iD State he$pe,ofreaction t the anode.

Nyatakanenis indak balasdi anod.

[1markl

lLihat sebelah







SULIT

(b)

26

Table10.1 hotnrshe result f chemicaltestssed o changehesolution and

Solution .Jadual 10.1menunjukkan eputusan jiankimiauntukmenukarkan arutanX danlarutan Y.

ExperimentEksoerimen

ProcedureProsedur

ObservationPemerhatian

Bromine raters added ntoXsolution ndwarmed. odiumhydroxide olutionsadded ntomixture ntilexcess.

Air bromin ditambahkan e dalamlarutanX dandihangatkan.Laruta natrium h d oksidditambahkanRedalamcampuransehinggaberlebihan.

Green precipitate

formed

Mendakanhijaubrberrtuk

Zincpourders added ntosolutionY and hemixturesshaken.Sodiumhydroxideolutions then

added nto he mixture ntilexcess.

SerbuKzink itambah e dalamlarutan Y dan digoneangkansi,ehngga tiada perubshd tr.Laruta natriumhidroksidd tambahkan sehingga berlebi anke dalam campuran.

Brown recipitateformed

Mendakanperangterbentuk

Table 0.1Jadual10.1

Based n Table 0.1:o ldentifyhesolution andsolution .o State he reducing gentn experimentandoxidising gent n experimen

ll andgiveone reasonor eachofyourchoices ased n he changes foxidationumber.

Berdasarkanadual I 0. :o Kenalpasti larutanX dan arutanY.

o Nyatakanbahanyangbertindaksebagai genpenurunandalameksperimen danagenpengoksidaan alam eksperimenl serta beri satusebabuntuksetiappilihanandaberdasarkanerubarhanomborpengoksidaan.

[ 6 marks




SULIT

(c)

454112 @201 Hakcipta abatanPelajaranNegeri ohoSULIT

27

Chlorinesgoodoxidizing gent.

Korin adalah gen pengoksidaanangbaik.

You aregiven he ollowing pparatus:Anda dibeikan alat-alat adasberikut:

U-tube, alvanometer,onnecting ires,stopper, ropper, arbon lectrodes ndretort tandwithclamps.TiubU, galvanometer,wayarpenyambung, enyumbat, penitis,elektrod-eleldrodkarbondan Raki etot danpengapit.

Suggest suitable hemicaland escribe n experimento verify heabovestatement sing hegivenapparatus.Cadangkanbahan kimiayangsesual dan huraikan satu ekspertmen ntukmengesahkanernyataan i atasdenganmenggunakan lat radas angdiberi.

[10marks]

ENDOFQUESTTONAPERKERTASSOATA/\'TAMAT

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PEPERIKSAANERCUBAANPM2011CHEMISTRYKertasSeptember

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JABATANPELAJARAN EGERIOHOR

Tingkatan

454t3

Satu am igapuluhminit

JANGAN UKAKERTAS OALAN NI SI|IilI'{GGADIBERI.TATIU

1. Tuliskanamadan ingkatanadaruang angdisediakan.

2. Keftas oalanni adalahalamdwtbahasa.

3. Soa/analamBahasanggertsmendahuluioalan angsepadandalamBahasaMelayu.

4. Calon ibenarkan enjawabkeselruhan fausebahagianoalansamaadadalamBahasanggeris tauBahasaMelayu.

5. Calon ikehendaki embacamaklumatihalamanelakana ertassoalanni.

UntukKeg naanPemeri sa

Soalan MarkahPenuh

MarkahDiperoleh

1 18

a 15

3 17

JUMLAH

Kertasoalannimengandungi3 halamanercetakan halamanidak ercetak.






SULIT

1 Table 1 shows he observationsn three est tubes used o investigatehe effectofother metalson rusting.A mixtureof jelly solution,potassiumhexacyanoferrate(ll l),K3Fe(CN)6olutionand phenolphthaleinereusedas medium n each est tube.Theobservationsuere ecorded fteroneweek.

Jadual I menunjukkanpemerhatiandalam tiga buah tabung ujiyang digunakanuntukmenyiasat kesan logam lain ke atas pengaratan. Medium yang digunakan di dalamsetiap tabung uji adalah campuran larutan agar-agar, larutan katiumheksasianoferat(lll), KsFe(CN)6dan fenalftalein. Pemerhatian direkod se/epas safuminggu.

Test ubeTabunquii

ObservationPemerhatian

1 week1 minggu

--F\__

lronnailcoiledwith copper tripPaku besidililitdengan

kepingan kuprum

tl

1 weekI minggu

l ronnai lcoi led i thzincstr ipPaku besi dililitdengan

kepingan zink

il l

1 week

I minggu

-

lronnai lPakubesi

Table 1Jadual I

ReferenceiPetunjuk: E*l Bluespot tompokbirur.TFf Pinkspot I tompokmerah ambu






SULIT

(a) Stateone nferenceoreach est ubes ,.l land 1l.

Nyatakansatu inferensuntuksetiaptabunguiil, tl dan ll.

Tesl ube :Tabungujil:

II

II

E^F

ExaminefsUse

1(a)

tE

1 b)

m

Test ube l:TabungujiIt:

Test ube ll:Tabunguji IIt:

(b) For hisexperiment,tate:Bagi eksperimenni, nYatakan:

(i) Thenunipulatedariable."Pemboehu ahd maniPYI si.

(iD Therespondingariable.

Pemboleh bah bergera b a as.

(iiD The constant ariable.Pembolehubahdima arkan.

[Lihat halaman sebelah

SULIT$ll3 @201 HakCipta Jabatan elajaranNegeriJohor







ForExaminer's

Use

1(c)

m

SULIT 4

(c) State hehypothesisor heexperiment.Nyatakan ipofesls agi eksperimenersebut.

(d) State he operational efinitionor the rustingof ironnail.Nyatakandefrnisisecara operasibagipengaratanpaku besi.

45{1/3 CI201 Hak CiptaJabatanelajaranNegeriJohor SULITttp://e u.jos uat y.com






SULIT

Diagram1 shows heapparatuset-up f an experiment.Rajah1 menunjukkansusunan adasbagi satuekspeimen.

Diagram1Rajah I

Predict n observationor the experiment ftera ueek.Ramalkansatupemerhatiandaripadaeksperimentu selepassatuminggu.

(e)

[Lihat hnlartran sebelah

SULIT

Jellysolution Larutanagar-agar+

potassium exacyaofenate(ll),K3FeCN)6solutionIa utan ka um he ksa ianoferat( , KsF (CN)a

PhenotphthaJin fenotftatein

lronnailcoiled ith eadstripPakubesidililit dengankepingan

plumbum

4*1113 O 201I HakCiptaJabatanelajaranNegeri ohor

rof

Examiner'sUse

1(e)

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1l1I | ._ |

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Fd

Examiner'sUse

2(a)

[E

SULIT

Diagram shovraheapparatusetup oranexperimentodetermineheendpoint ftitrationnneutralisationeaction.

Rajah menunjukkanusunanadas atuekspeimenagimenenfukanakat khirpentitratanalamindak alas eneutralan.

BuretteBuret

HydrochloriccidAsidhidroklorik

Conicallask kelalangon

50cm3 f1.0 nol m-3 odiumydroxidesolutionphenolphthalein50 cm3arutan atium hidroksida.0moldm-3+ fenolftalein

Diagram

Rajah2Statewo observationshat ou ould btain uringheexperiment.Nyatakan uapemerhatianangboleh ndadapatisemasaksperimen.

,l

(a)

2.

45/.ll3 O 2011 {ak CiptaJabatan eiajaran egeriJohor SULITttp://e u.jos uat y.com






-I

SULIT

The experiments repeatedhree imesand he volumeof hydrochloriccid used oreach set s shown n Table2.Eksperimen tu diulang iga kali dan isipaduasidhidroklorik ang digunakanbagi setiap

set ditunjukkanpada Jadual 2.

Table 2Jadual 2

(b) Record he burette eadingsnthe spacesprovidedn Table 2.Catatkanbacaanburetpadaruangyang disediakandalam Rajah2.

ForExaminer's

Use

[Lihat hnhman sebelah

SULIT

SetSef

Initial eadingBacaanawal

FinalreadingBacaanakhir

I

. . .cm' , . .cm'

II

. . . .cm3 .. . . . .cm3

ilt

, . .cm' . . .cm'

4S4l/3 O 201 Ilak CiptaJabatanelajaran egeri ohor







ForExaminels

Use

2(c)

rtr

2(d)

m

SULIT

4gll3 O 201 Hak CiptaJabatan elajaranNegeriJohor

8

Constructa table o record hsdata fromsets l, ll and lll. The ableshould ncludethe initial eadlng, inalreadingand the volumeof hydr,ochloricsed n thetitration.Bina satuadual untuk merekoddata bagisetl, ll dan ll itu. Jadual tersebuthendaklahmgngandungibacaan awat,Sacaanakhirdan iipiii.asia

hidroktorikyang digunakan dalam titratan.

(d) The chemicalequation or the reaction s shownbelow:Persamaankimia tindak balasditunjukkandi bawai:"'

HC I + NaOH -, NaCl + HzO

calculate he average,vorumef hydrochroriccid,HCrneeded o neutrarise50 cm3of 1.0mol dm-3sodium ryciroxiOe,aOH ofuiion.

--

Htungkan isipa6.rl q!?tagag a i d h d okrorik, cvii

g'ipe

rukanuntumeneutrarkan.s0m" arutanatrium idroksida.omitd;-i, N;oH.'--'

(c)

4

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SULIT







SULIT

(e) Duringhe titration rocess, tate he relationship etweenhe concentrationhydroxideon,OH- nsodium ydroxide, aOH olution ith imeuntiltheendpoint f itration.

Semasaprosespentitratan,nyatakanhubunganantarakepekatan on Ol-f dalamlarutansodiumhidroksida,NaOHdengan masasehingga akatakhirpentitratan.

(f) Classifyhe ollowing cids ntomonoprotic,iprotic nd riprotic cid.Kelaskanasid-asid erikutkepada asidmonoprotik, iprotikdan triprotik.

Hydrochloriccid Sulphuric cidAsidhidroklorik Asid sulfurik

Ethanoic cid Nitric cidAsid etanoik Asidnitrik

PhosphoriccidAsid fosforik

MonoproticcidAsidmonoprotik

Diprotic cidAsiddipratik

Triprotic cidAsid triprotik

[Lihat halaman scbelah

SULIT54113 2011Hak CiptaJabatan elajaran egeri ohor

rorExaminer's

use

2(e)

m

2(f)

r-;I l3 l

Totalz

tEttp://e u.jos uat y.com






SULIT 10

Diagram shorusome amplesfbattery. atterys a voltaic ell hatcanbe builtusing ny rruoifferent etals ndsuitable lectrolyte.Raiah2 menuniukkaneberapa ontohbateri.Bateriialah e1'enr.setkimia angboleh ibinamengguna&anebarang ua ogamberlainanan elektroftangsesuai.

DiagramRajah2

Voltmetereading fvoltaic elldependsn hepairof metals sedas electrodes.Bacaan oftmeterelRimiaergantungepadaasanganogam angdigunakansebagai leltrod.

Plan laboratoryxperimento nvestigatehatdifferentairs fmetal roducedifferentoltage f a voltaic ell.Yourplanninghouldncludehe ollowingspects:Rancang afuekspermen ntukmenyiasatahawa asanganogamyang berbezamenghasilkanvoftan se/ kimia yang herbeza. Perancangananda hendaklahmengandungiaspeft-aspk be ikut

(a) ProblemtatementPernyataanmasalah

(b) Al l the ariablesSemua embolehubah

(c) Hypothesis

Hrpofesrb(d) Listof materialndapparatus

Senarai ahandanalat adas

(e) ProcedureProsedur

(t) TabulationfdataPenjadualanata

117marksl

[17markahlEHDOFQUESTIOi lAPERKERIAS SOALA,\,TAMAT

4541/3 o 2011HakCiptaJabatanpelajaranegeri ohor SULI Ittp: e u.jos uatly.com






JABATANPELAJARANNEGERI OHOR

PEPERIKSAANERCUBAAN ETARANEGERI OHOR 011

SKEMAPEMARKAHAN

CHEMISTRY

PAPER1

PAPER2

PAPER3







JULANG OHOR 011CHEMISTRY

PAPERTANSWER

QUESTION ANSWER1 A2 C3 A4 B5 B6 B7 A

8 DI A10 D11 D12 A13 c14 D15 c16 D'17 c18 D

19 c20 A21 B22 c23 A24 c25 B

QUESTION ANSWER26 A27 B28 c29 B30 C31 c32 B

33 D34 A35 A36 A37 c38 B39 D40 c41 B42 D43 B

4 c45 D46 B47 D48 B49 A50 D







No. Markscheme Submark

Totalmark

2 (a) (i) z 1

3

(ii) U 1

(iii) W 1

(b) (i) 2.8.1 I

2

(ii) X* 1

(c) (i) Theyhavesamenumber f shellsnbOloccupieOitnelectrons

1

2ii ) x,Y,z i l x>Y>z 1

(d) (i)

4X+O,2X + T"Q,

-* 2XzO ll+ XeO

Conect eactants ndproducts 1Conectlybalance 1

1+1

3

(ii)Zz + HrO ---+ HZ + HOZ 1

TotalMark

10


Totalmark

(a) Melting 1 1

(bxi)







Correct xiswithunitsCorrect raphand90oCsstated

4I

1

5

3(bxii) Themolten is stirred ontinuouslyhroughoutheexperiment

1

(i i)Thermometer

Boilingube

MoltenX

Conicalflask

LabelleddiagramConect and func{ionalapparatus

1i1l

3(c) Because n atomconsists f an equalnumber felectronsandprotons.

1 1

3(d) 80

Br35

1 1

3(eXD Atomsof the same elementwith the samenumberofprotons / proton number but different number ofneutronV ucleon umber

12

3(eXii) Use n phosphateertilizers/ to study he metabolismfphosphorusnplants

I

Total mark 10







(a) (i)

(iD

(iii)

(iv)

(b)

SectionA

Haber

Nitrogenand Hydrogen

To get a betteryield

1. To make ertilisers2. To producenitricacid

ParacetamorlI

Codeine 3-methytmorphine

Addiction depressionnausea vomiting itchingdrowsiness drymouth / orthostatic ypotensionurinary etention miosis constipation

Activateevelof alertness/Reduce ormalatiguelElevatemood/Stimulatectivity f brain centralnervousystem.

1

1

1

1

1

1

(c) (i)

(ii)

1+1

Total

mark

(iiD

Curesore hroatMerawat akittekakTreatskin woundsMerawatukakulit

10







MarkScheme

Heat eleased hen1 mole f metals displacedrom tssaltsolution y a moreelectropositiveetai.

a: heat hange

exothermic

1. Brorrvnoliddeposted.2. Thecolour fsolution hangeromblue o ightblue

colourless.3. Container ecomes ot4. Massof zincdecreased5. Sizeof zincbecomeshinner

[Any wo]

Energy

o Conect woenergy evelsandaxis abeled nergy.. Conect eactants,roducts ndvalueof AH.

No.of mofeCUSO+=0.2\(25]'/ 0.005mol1000

Heatenergy eleased 0.005motx 190kJ mol'1il= 0.95 J 950J

Valueof AHmore higherhan 190kJ.

Magnesiums moreelectropositiveompare inc nelectrochemicaleries lDistance etweenmagnesiumndcoppers urtherthan he distanceetweenincandcoppernelectrochemicaleries.

Sub TotalMark , Mark

:

44t ' t :

ai

1.

2.

AH = -190kJ mofl

ZnSOa+ Cu

Totalmark







No. Mark Scheme SubMark

TotalMark

5 (aXi) Copper(ll) xide 1 1

(ii) Neutralisation 1 1

(iiD Conect eactants ndproductsBalance he equation

2HCl+CuO)CuCl2 + HzO

4t

12

(iv) To completehe reaction 1 1

5(bXD DoubleDecomposition Precipitation eaction 1 1

(ii) Ag"+Cl-)AgCl 1 1

(iiD Filtration 1 1

(c) Cation : Cu2*Anion : Cf

11 2

Total mark 10


TotalMark

6 (a)

(b)

(c)

(d)

Yellowprecipitate

NazSzOgHzSO+-+ azSOe+ + HzO+ SO,

1. Rateof reactionor Eiberiment is hiqher hanExperiment(orviceversa).

1. Temperaturen Experiment is higher.2. Thekinetic nergy f heparticless higher.3. The requency f collisions etween * onsandSzOr -

ions ncreases4, The requency f effective ollisionsncreases.

1

1

1

11

4I

II

1

1

1

A







(0

Temperature/oC

Time s

The higher he emperaturethe shorter he ime aken or the egg o become ard-

boiled lviceversa

Section B

No, Mark Scheme Submark

TotalMark

7(a) (r) Anode:Silver rod/foil)

Cathde: lron keyElectolyte:Silvs nihatesolution

1

I1 3

(iD Anode : Ag +Ag' +s

Cathode: Ag'+e*Ag11 2

(iiD 1. Usea smallelectricalcurrent2. Use owconcentrationf thesilvernitrate olution.3.Turn he iron key slowlyduringexperiment.4. Clean he ronkeywithsandpaper efore arrying utexperiment.

Any two

2 2

7(b) 0 Experiment and l

1+1

I

1. Rateof reactionnexperimentis higherllThe eactionnexperiment is faster

2. MetalP is moreelectropositivecompared ithmetalQ in heelec'trochemicaleries







I 3. Deposit f brownI metals morenI

I exp€r;menli comparedwith

i experimentl

Experimentand ll

A

-.Distancebetweenmetals andCu s

further hanmetalQandCu n heelectrochemicaleries

(ii) MetalP :Aluminium, lMetalQ:ZnlFe/Sn

r: Pb

MolofCuSO+olution t0.1\ €SI ll 0.0025mol1000

Ratio 1 molofCuSO+roducedmolCu0.0025molof CUSO4roduced.0025molCu

Massof copper= 0.0025molx 64= 0.16

(iiD

Comoarison Exolanation5. There sa reactionn

experimentand noreactionnexperimentll

6. MetalP is moreelectropositivecompared ithcoppermetal ntheelectrochemicaleries

7. There sbrowndepositnexperimentI andnodepositnexperimentll

8. MetalP splacedhigherhancoppernthe electrochemicalseries / Coppermetalis placedbelowmetalR intheelectrochemicaleriesIl metalP is moreelectropositivehanCu

1+1

1+1

1+1

1

1

1

1

1

I

2

3

Totalmark 2A


Totalmark

8(a) Thenumber fmolecules 1.5 6.0ZiT0F= 9.03 1023

11

2

8(b) Urea,CO(NH2)2

2n4\ xl}Oo/o = 46.670/o12+ 16+(14+2)2

1







Ammonium itrate,

2(14],14+4+14+3(16)

Hydrazine,N2Ha

zfi4\2(14) 4(1)

NH4NO3

x 100o/o 35.0olo

x lA9o/o = 87.5o/o

Hydrazine as he highestpercentagemassof nitrogen

1

4I

1 4

1. Double ondFormedwhen wopairsof electrons resharedbetweentwonon-metalatoms.

2- Triple ondFormedwhen hreepairsof electrons re sharedbehreen wo non+netalatoms.

1

1

1

1 4

(d)

(i)

(ii)

Compound KzO SO,

1 Physicalslate troom emoerature Solid Gas

2 Meltingpoint High LowAccept:A meltingpointof KzOis hiqherthan O,

3 Eledricalconductivity

Ganconductelectricitynmoltenoraqueous tate

Cannotconductelecficity n allphysicalstate

4 Solubilitvn water Soluble lnsoluble

Answers an be n sentenceorm o showcomparison.

KrO:1. forcesof attraction etweenons n KzO s strongerhan

SO,2. moreheat s neededo overcome break he attraction

forcell viceversa or SOz

1+1

1+1

1+1

1+1

1

1

8

2

Totalmark 20







9

Section G


TotalMark

9(a)

But-2-ene

2-methylpropenel2+netfrylpropl-ene

HHHH

t l t lH-C-C:Q-C-H

t lHH

HHt l

H-C:C-C - H

l lIH

H- C-HIH

1+1

1+1 4

(b) 0

(ii)

Propanoic cid Ethanol

tAccept f studentname he reactantsorthe productsl

Chemical ropertiesor propanoic cid:1. Reactwith readive metral roducesaltandhydrogen as

II2. Reactwithbasesproduce altand water l3. Reactwithcarbonatesmetalprduce salt, carbon

dioxidegasandwater l

4. Reactwithalcoholproduce ster

[Any wo answers]

Chemical ropertiesor ethanol:1. Undergo ombustion roduce arbondioxide ndwater

// Bumt n orygen o produceCOzandHzO2. Undergo xidation roduce arboxylic cid ethanoic

acid l Reactwith acidifiedKzCrzOt MnOr to producecarboxyliccid

3. Undergo ehydrationroduce lkene ethene.

[Any wo answers]

1+'t

11

11

2

4

(c)Reaction ith bromine ttp://e u.jos uat y.com






l0

1. Pour bout2-5 cm"] fhexanentoa test ube.2. Add4-J dropsof bromine aterandshake.3. Observe nychanges nd epeatwithhexene.

Observation:Hexane: rown olour emainsnchanged.Hexene: rown olours ecolouriseturncolourless.

Reac'tion ithacidifiedotassium anqanate(Vl) solution

Procedure:1. Pourabout 2-5cm3 of hexanentoa test ube.2. Add 4-5dropsof potassiummanganate(Vll)olution

andshake.3. Observe nychanges nd repeatwith

hexene.Observation:Hexane: urple olour emain nchangedHexene:Purplecoloursdecolourise.

[Any wo tests]

No l/lark scherne Submark

Totalmark

10 aXD Sample nswer:MetalA:Magnesium/Mg

Mg -+ Mgt* + 2eReadantandproduc-tonectBalanceheequationonectly

1

14t ?

(ii) Oxidation 1 1

(b) SolutionX : Ferum(ll) sulphate reSOa

Solution Y : Ferum(lll) sulphate Fez(SO+h

Reducingagent .Fe2*Ferum (ll) sulphate FeSOn lron(ll)ionReason : oxidationnumber ncrease rom +2 to +3

Oxidising gent:Fe3* Ferum lll)sulphate Fez(SO+)glron(lll) onReason Oxidation umberdecrease rom+3 to +2

1

1

1

1

1.l

I o







l1

Galvanometer

Carbon

electrodes

Chlorine water Potassiumbromidesolution

U-tubeDilutesulphuric cid

Conectand fundionalapparatusConectlyabelled'

1. Suitable hemical potassiumromide olution/anysuitable hemical olution

11

2.3.

4.

Dilutesulphuric cid s pouredntoa U-tubeA droppers used o fill onearm of the U-tubewithchlorinewaterPotassium romidesolutions addedcarefullytoanotherarmof the U-tubeBotharm of the U-tlbe is fitted withcarbonelectrodeReducing gent:potassiumromide olutionAt negativeelectrode, romide onsareoxidizedobromine2Br- Brz + 2eAt positive lectrode, hlorine

re reducedo chloride

11

5.6.7.

8.9.

11111

1rcns1O.Cl2+2e+2Cf

Max=

10

Totalmark 20







SULIT

PEPERIKSAANERCUBAANPM2011CHEMISTRYKertas 3September

JABATANPELAJARAN EGERIOHOR

4s4r/3(PP\

4s4u3

SKEMA PEMARKAHAN

UNTT]K KEGTINAAI\IPEMERIKSA SAHAJA

Peraturan emarkahanni SIILIT dan Hak Cipta Jabatan Pelajaran Negeri Johor.Kegunaannya dtususuntuk pemeriksa yang berkenaansahaja.Sebarangmaklurnat

dalamperaturan pemarkahan ni tidak boleh dimaklumkan kepadasesiapa.Peraturanpemarkahanni tidak boleh dikeluarkan dalam apa-apabentukmedia.

Peraturan pemarkahan ni mengandungi18 halaman bercetak

454113 o 2011 Hak Cipta JabatanPelajaranNegeri Johor SULIT







SULIT 2

Marking Scheme aper3

4s41l3(PP)

Question MarkScheme Score1(a)

I

Ableto stateone nferenceor eachexperiment-

Sampleanswers:

Test ube : lron usuoxidisedliron atom eleased lectron//iron(ll)ons Fe2*formed/iron(ll)onspresenU/rustingccur

Test ube l : lrondoesnot ust / iron(ll)onsarenotpresent/zincconodes Izincatom eleased lectron//zinc ons ormed lzincoxidised

Test ube ll : lronrusuoxidisedl ironatom eleased lectron//iron(ll)ons Fe2*formexJlrustingoccurliron(ll)onspresent

3

Able to stateany two inferences2

Able to stateany one inference1

No response rwrong response 0

4541/3 o 201 Hak Cipta labatanPelajaranNegeri Johor STJLIT







SULIT 4541/3(PP)

Question MarkScheme Score

1(b) Able to state he hypothesis ccurately

Sample nswer

\A/hen morefless lectropositive etal s in contactwithironfferum/Fe,he metal nhibitV(speedsp)rusting/corosion firon l

Whena more/less lectropositive etal s incontactwithiron/ferumlFe,usting f ronlferumlFes faster/slowerl

lf the metal n contactwith ron s higherflowerhan ronlferum/Fenelectrochemicaleries, he rusting/conosionf ron s slower/fastertl

The higherllowerhemdal in contactwith ron n electrochemicafseries/than ron/brum/Fe,he rustingfconosion f ironfierum/Fesslower/fiaster

3

Able to state the hypotesis conectly

Sampleanswer

lMrena morcy'lesslec-tropositiveetal, he metalinhibits(speedsup) rustinglconosiontiron l

lf themetal ncontactwith ron s higher han ronlferumlFenreactivity eries, he rusting/conosionf iron sslorerlf,aster//

The rustingof ron/ferumlFes faster/slower,f a more/lesselectropositive etal s in contactwith ronfferum/Fe

2

Able to state the idea of hypothesis

Sampleanswer

Differentmetal ncontactwith ron,will cause ron o rust /

Metalcan cause ron o rust.

1

No response r wrong esponse0

:l t i t l : , . Pr l r i : , i rn \g g' i .1 . i . ': t i l -r:







.SLIL[T

l

Question MarkScheme Score1(c) Able o state he hreevariables orrectly

Sample nswer:

(i ) Manipulatedvariables:Type/different etals/ position f metal n electrochemicalseries

(ii) Respondingariable:Rusting conosion / presence f blue/pinkolour

(iii)Constant ariable:Size/massf ronnail ltypeof nail l clean ronnails /temperature/ mediumnwhich he ronnailsarekept

aJ

Able to state any wo variablescorrectly. 2

Ableto state any one variablecorrectly. I

No responseorwrong response

0

4541/3(PP)

I : ,1.' S{ILIT








1(d) Able to givethe operationaldefinitionaccurately

Sample nswer

\A/henron s n contactwithmetal ower han ron n electrochemicalseries, luecolourationndicatesusting/

Rusting ccurswhen ronnail s in contactwith copper/tinlesselectropositiveetaland ormbluecolouration//

Bluecolourations formedwhen ron s in contactwith metal owerthan ron n electrochemicaleries

aJ

Able to givethe operationaldefinitioncorrectly.

Sampleanswer:

Bluecolourationndicatesustingl

Rusting ccutrs hen ronnail s in contactwithcopperftinlesselectropositiveetal

2

Able to givean ideaof the operationaldefinition'

ggpte l:

Rusting ccurswhen hecolourof solution hanges./Rusting ccurs

I

Noresponseorwrong rcsponse 0

SULIT 4s41l3(PP)

454113 @2011Hak Cipta JabatanPelajaranNegeri Johor SULIT







SULIT 4s4U3GP)


1(e) Able to predic'tanyone the obseruationsbasedon the

laboratoryexperimentcorrectlYSampleanswers

BluespoUcolourationl

lronnailbecomesmaller/

Lead trip emains nchanged

3

Able to predictone observations ess correctly.

$ampleanswgl:PinkspoUcolouration

2

Able to givean idea of observations.

Sampleansuter;

lronrus{s / BrowndeposiUspot

1

No responseorwnongresponse 0

4541/3 o 2011 Hak Cipta JabatanPelajaranNegeri Johor SULIT







SULIT 4s4113(PP)

Question MarkScheme Score2(al Able to stateboth two observationsaccuratelyduringthe

experiment.

Sampleanswer:

1. Pinksolutionumscolourless.

2. Conicalflask ecomes arm/hot.

3

Able o stateone obseryation ccurately uring heexperiment. 2

Able to state any dea of obseruation.

Samoleanswer:

1- Volume ncreases

2. Pink

3. Colourless

4. Warm/hot

1

No responseor wrongresponse0

454113 o 201I Hak Cipta JabatanPelajaranNegeri Johor SULIT







4s41l3(PP)

MarkScheme Score2(b) Able o record he burette eadings ccuratelywith 2 decimal

points.

Answer

Set Initialreadinq Finalreadinq

I 0.00 26.00

u 0.50 24.50

til 5.50 30.50

3

Able to record he burette eadingscorrectly.

Answer

Set lnitialreadino Finalreadinq

I 0 / 4.0 26 / 26.0

il 0.5 24.5

Iil 5.5 30.5

2

Able to record any reading rom the the burctte completely.

SampleAnswer:

Set Initialreadinq Finalreadino

I 0 26

II 1.5 25.5

ill 6.5 31.5

1








SULIT 4s41l3(PP)


2(c) Able to makea table o record hethe data rom hreeexperiments ccurately ith units.

SampleAnswer:

Setlnitialreading/

cm-Final eading/

cm-Volume CI/

cmu

I 0.00 26.00 26.00

il 0.50 24.50 24.00

ilr 5.50 30.50 25.00

3

Able to makea table o record he data rom threeexperiments

accuratelywithoutunits or correctlywith units.1. Answer:

Set Initialreading Finalreading VolumeHCI

I 0.00 26.00 26.00

il 0.50 24.50 24.00

ilI 5.50 30.50 25.00

2. answer:

SetInitialreading/

cm-

Finalreading/

cm"

VolumeHCI/

cm'I 0 / 0.0 26 / 26.0 26 / 26.0

ll 0.5 24.5 24 / 24.0

III 5.5 30.5 25 / 25.0

2

Able to make a table to record any data including thefollowing:

- Reading rom 2(b)

- Headingwithoutunits- Set of experimenl

1

No responserwrong esponse 0

4541/3 O 2011 Hak CiptaJabatan elajaran egeriJohor SULIT







10 4s4r/3(PP\

MarkScheme Score

2td) Ableto calculatehe average olumeof hydrochloric cidaccurately.

Answer:

26.00 24.00 25.00= 25.00 m33

3

Able to statethe averagevolumeof hydrochloricacidaccuratelywith units,

@r:

25.00cm3

2

Able o state he ideaof average olumeof hydrochloric cid.

Sampleanswen : ' r ' : r ' ' : '

25.00 l25.O t25 tt (Awrage eading atafrorn2b) + v {2 '

3

1

No response rwrong esponse 0







SULIT t1 4s41l3(PP)

Question Mark Scheme Score

2(e) Able to statethe relationshipbetween he concentrationof

hydroxide on,OH- n sodiumhydroxide,NaOHwith timeuntilthe end point of titration accurately.

Sampleanswer:

The concentrationf hydroxideons/OH- ecreases ith ime. //

The ongerhe ime aken, he ower he concentrationf hydroxideions/OH-

3

Able to staG tre relationship between ie concenfation

hydroxide on, OH- n sodiumhydroxide,NaOHwith time untilthe end point of titration inaccurately.

Sampleanswer:

The concentrationecreases ith ime- //

The ongerhe ime aken, he oter the concentration

2

Able to state an idea of the relationshipbeturcen heconcentrationhydroxide on, OH'in sodiumhydroxide,NaOH

with time until the endpoint of titration.

Sampleanswer:

Concentrationecreases/ Lowerconcentration

'l


4541/3 o 2011Hak CiptaJabatan elajaran egeriJohor SULIT








2(fl monoprotic, iproticand riprotic

acidaccuratelY.

Answer:Monoprotic, cid Dioroticacid Trioroticacid

HydrochloriccidEthanoic cidNitric cid

Sulphuriccid Phosphoric cid

3

to monoProtic, iProticand

triproticacidaccuratelY.

2

into monoProtic,diProticand

triprotic acid accuratelY.

1

No responseor wrongresponse 0

SULIT l2 4s41l3GP)

454113 O 201 Hak Cipta JabatanPelajaranNegeriJohor SULIT







MarkScheme Score

3(a) Able o givestatement f the problemaccuraGly.

Sampleanswer:

Does heposition/distanceetweenwometalsn electrochemical

series affecthevoltmetereading/voltage/potentialifferene?

Does hepositionldistanceetween airof metalsnelectrochemicaleriesaffecthevoltmetereading/voltage/potential ifference?/

Does he urtherhe distance f twometalsn electrochemicalseries.ncreasehepotential ifference?

3

Able to givestatementof the problemcorrectly.

Sampleanswer:

Does hepositionidistanceetweenmetalsn ElectrochemicalSeriesaffect hevoltmetereadi g/voltae/potentil differene?

Doespairof metalsn electrochemicalseriesffecthevoltmeterreading/voltage/potentialifference?

2

Able to give an idea of statementof the problemcorrectly

Sample nswer:

Does heposition/distanceetweenwometalsn reactivityeriesaffect hevoltmetereadng/votage/potentil differene?

Metals roduce voltage.

1


I3 u :

:

@ 2011Hak Cipta JabatanPelajaranNegeri Johor SULIT










eUe to state he threevariablescorrectly

Sampleanswer:

ManipulatedariableRespondingariable

Constantariable

: Pairsofmetals:'Voltage/ voltmetereading/ potential

difference: Electrolyte/ themetalas thepositive/negativeerminal/volume ndconcentrationf electrolyte

Abletbstate any wo variables orrectly

Ableto stateanyonevariablecorrectly

No response r wrongresponse

SULIT t4 4s41l3(PP)

454113O 2011HakCiptaJabatanelajaran egeri ohor SULIT







SULTT l5 4s41l3(PP)

Able o state he relationship etweenhe manipulated ariable

and he responding ariableand state he directionaccurately.

Samplqanswer:

The urtherhedistance f hepairofmetalsn he electrochemicalseries,he voltage voltmetereading potential ifferencebecomes reater./

The urther heposition f twometals nelectrochemicaleries,hehigherhevoltage potential ifferenceeading

betweenhe manipulated ariable

andthe respondingvariableandwithout stating tfie direction.

S3mple nswer:

The distance f thepairof metalsn the Elmtrochemicaleries.inffuenceshevoltage volfrnetereading potentialdifference

Able to state he ideaof hypothesiscorrectly

Sample nswer;

The urther he distance f electrodesn the Electrochemicaleries,

thevoltage voltmetereading potential ifference ecomes-greater/smaller

Differentmetals ivedifferent oltage voltmetereading potentialdifference

No response rwrong esponse

4541/3 @2011 Hak Cipta JabatanPelajaranNegeriJohor SULIT







SULIT t6 4s4113GP)

Question Mark Scheme Score3(d) Ableto giveadequateist of materials ndapparatushat

involves he following

- Three uitablemetalsbelow alcium]- Onesuitable lectrolyte- Voltmeter, eaker, onnecting ires,sandpaper

. Only wo materials nd/orapparatusan istout romdiagram.

Sampleanswer:

Aluminum, inc,copper, opper(ll) olution,

voltmeter,eaker, onnecting ires, andpaper

3

Able to givea list of materialsand apparatus hat involves heFollowing3 items:

- Twosuitablemetalsbelow alcium]- Onesuitable lec.trolytend container- Voltmeter

Sampleanswer:

Silver, ron sivernitrate olution

voltmeter, asinltestube

2

Able to givea list of materials hat involves he following2items:

- Twometals- Any namedelectrolyte

Sampleanswer:

Lithium ndpotassiumlSilverand ead

Hydrochloriccid

1


454113 O 2011Hak Cipta Jabatan elajaran egeriJohor SULIT







SULIT L7 4s41l3(PP)


3(e) Able to statethe following6 stepscorrectly.

Sampleanswer:

1. Pour copper(ll) ulphate olution suitable lectrolyteintoa container/beaker

2. Cleanhe metalstrips/aluminiumndcopperwithandpaperDipbothmetal/aluminiumndcoppernto heelectrolyteConnecthe metals/aluminiumndcoppertohevoltmeter// ompletehecircuitRecordhe voltmetereading

Repeat teps1to 5 by subtituting nemetal or .another/aluminiumithzinc

3.4.

5.

6.

3

Able to statethe followingsteps corectly basedon scoie &

- Steps 1or 3- Step4- Step5- Step6

2

Able to state he followingstepsconectly basedon score&

Step 1or 3

1

No responseorwrong response 0

4541/3 @ 2011 Hak Cipta JabatanPelajaranNegeri Johor SULIT







SULIT 18 4541/3GP)


3tf)I

Able o exhibit he tabulationof datawhich ncludes hefollowing three information

1. Headingor the manipulated ariable2. Examplesof two pairsof metals3. Headingor the responding ariablewith units

Sampleanswer;

Pairof metals/Electrodes VoltageA/

AluminiumndcopperZincandcopper

2

Able to exhibit the tabulationof datawhich includes hefollowing information

1. Headingor manipulated ariable/respondingariablewithoutunit

2. Examplesof one pair of metals

Sampleanswer:

MetalVElectrodes Voltage

Aluminiumndcopper

1



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