雨课堂学堂在线学堂云《General Chemistry（南开 ）》单元测试考核答案

注：不含主观题第1题单选题(1分)ThreesucrosesolutionswiththesamevolumearelabeledasA,BandC.TheconcentrationsofAandBare1mol﹡kg-1and1mol﹡

L-1,respectively.ThemassconcentrationofCis10%.Atthesametemperatureandpressure,whichoneiscorrect?()AAcontainsmoresucroseBBcontainsmoresucroseCCcontainsmoresucroseDAcontainsasmuchsucroseasB第2题单选题(1分)Alltheconcentrationsoffollowingsolutionsare0.1mol·kg-1.Thecorrectorderoftheboilingpointsshouldbe()ANaCl>ZnCl2

>Al(NO3)3BAl(NO3)3

>NaCl>ZnCl2CAl(NO3)3

>NaCl>ZnCl2DAl(NO3)3

>ZnCl2

>NaCl第3题判断题(1分)0.9%NaClsolutionandbodyfluidsareisotonic.()第4题判断题(1分)Ionsonlyexistinsolutions.()第5题判断题(1分)Amoleculemaycontaininfiniteatoms.()第6题判断题(1分)Anatommustbesmallerthanamolecule.()第7题单选题(1分)Thevolumeof1.0ggasis250cm3at100℃and172kPa.Thegas’molecularweightis()A72B62C52D42第8题多选题(2分)Thefactorsofosmoticpressureare()AAsemipermeablemembraneBTheconcentrationsofsolutionsonbothsidesofthemembranearenotequalCThesolutionmustbeanelectrolyteDThesolutionmustbekeptatroomtemperature正确答案：AB第9题单选题(1分)Underapressureof101.325kPa,0.1molNaCland0.1molglucosearedissolvedin1000gwater,respectively.Whichoneiscorrectabouttheboilingpointsofthesolutions?()ATheboilingpointsofbothsolutionsareabove100℃.ButtheboilingpointofNaClsolutionislowerthanthatofglucosesolutionBTheboilingpointsofbothsolutionsareabove100℃.ButtheboilingpointofglucosesolutionislowerthanthatofNaClsolution.CTheboilingpointofNaClsolutionisbelow100℃,whilethatofglucosesolutionisabove100℃.DTheboilingpointofglucosesolutionisbelow100℃,whilethatofNaClsolutionisabove100℃.第10题单选题(1分)Whichmaterialhasthehighestvaporpressureat273K?()AgasolineBglycerinCiceDsalt第11题单选题(1分)Thetransformationfromliquidtosolidiscalled()AevaporationBcondensationCsolidificationDmelting第12题单选题(1分)Thematerialwithafixedboilingpointis()ASodaBHeavywaterCAquaregiaDChlorinewater第13题单选题(1分)Whentemperaturerisingfrom100to200℃,thevolumeofcertainamountgasunderacertainpressurewill()ABereducedtoahalfBBereducedtomorethanahalfCBedoubledDBeincreasedbutnotdoubled第14题单选题(1分)Whichconditioncanmaketherealgasclosetotheidealgas?()ALowtemperatureandhighpressureBLowtemperatureandlowpressureCHightemperatureandlowpressureDHightemperatureandhighpressureExercisesforChaperII第1题多选题(2分)Whichofthefollowingelectronconfigurationsareintheexcitedstates?()A1s22s12p1B1s22s2C1s22s22p63s14s1D1s22s22p63s23p64s1正确答案：AC第2题单选题(1分)Thesmallestoneofthefollowingionsshouldbe(

)AAl3+BNa+CF−DO2−第3题单选题(1分)Whenn=3,whichsetofquantumnumbersisavailable?(

)A3,2,1,0B3,

2,

-1,+12C3,3,1,+12D3,1,2,+12第4题单选题(1分)Whichofthefollowingions'electronconfigurationcanberepresentedas?()AMn2+BFe3+CCo3+DNi2+第5题判断题(1分)Theangulardistributionofsorbitalisasphere,whichindicatesthattheelectronsinsorbitalmoveonthesphere.()第6题判断题(1分)Ifanatomcannotloseelectroneasily,itmustgainelectroneasily.()第7题单选题(1分)Forthehydrogenatom,theorderfortheenergyof3s,3p,3d,4sshouldbe()A3s

<

3p

<

3d

<

4sB3s

<

3p

<

4s<

3dC3s

=

3p

=

3d

=

4sD3s

=

3

p

=

3d<

4s第8题单选题(1分)Comparetheenergyof1selectroninsodiumandthatinhydrogen.()ATheformerishigherBequalCTheformerislowerDThevaluesareequalbutthemark

is

opposite第9题单选题(1分)Penetrationwillmakeshieldingeffect()AstrongerBweakerCNoeffectDincreasetheshieldingofouterelectrons第10题单选题(1分)Whichofthefollowingatomshasthegreatestfirstionizationenergy?()ABBCCNDO第11题单选题(1分)Intheperiodictable,theelementsofIVB,VBandVIBgroupinthefifthperiodshowsimilarpropertiesascorrespondingelementsinthesixthperiod,because()ATheinfluenceofthes-blockelementsBTheinfluenceofthep-blockelementsCTheinfluenceofthed-blockelementsDTheinfluenceoflanthanideelements第12题单选题(1分)Fortheorderofatomicradiusfromthelargesttothelowest,thecorrectoneis()AMg

>

C>SiBSi>Mg>CCMg>Si>CDC>Si>Mg第13题单选题(1分)Inamulti-electronatom,whichelectronwiththefollowingquantumnumbershasthehighestenergy?()A3,2,+1,+1/2B2,1,+1,-1/2C3,1,0,-1/2D3,1,-1,+1/2ExercisesforChapterIII第1题单选题(1分)Accordingtomolecularorbitaltheory,thecorrectstatementis()AE(π2p)<E(σ2p)inF2BThereisnodoublebondinO2+,andthebondlevelis2CO2+ismorestablethanN2DThereisasingle-electronbondinCO+第2题单选题(1分)Forthefollowingmolecules,thecorrectorderofthebondanglesfromthelargesttothesmallestshouldbe()ANO2>N2O>O3BN2O>NO2>O3CN2O>O3>NO2DNO2>O3>N2O第3题单选题(1分)WhichofthefollowingπorbitalsarepresentinN2O4()Aone

BTwoCone

DTwo第4题单选题(1分)Whichofthefollowingmoleculeshasthesmallestbondangleoftwoadjacentcovalentbonds?(

)ABF3BCCl4CNH3DH2O第5题单选题(1分)Whichofthefollowingmoleculeshasasingle-electronbond()ACOBB2CN2DNO+第6题单选题(1分)Accordingtomolecularorbitaltheory,thecorrectstabilityorderfromthehighesttothelowestshouldbe(

)AO2>O2+>O22−BO2+>O2>O22−CO22−>O2>O2+DO2+>O22−>O2第7题判断题(1分)Atomicorbitalsoverlapeachothershouldfollowtheprincipleofmaximumoverlapping.Thuscovalentbondscanonlybeformedby"head-to-head"alongthebondaxis.

第8题判断题(1分)Bondenergyissameasdissociationenergy,whichhavethesamevalue.()第9题判断题(1分)Moleculeswithlinealstructurearenonpolar.()第10题多选题(2分)Whichofthefollowingmoleculesorionshasabondlevelofzero()ABe2BNe2CO2DO2+正确答案：AB第11题多选题(2分)Ifthehybridorbitalofanatomissp3d2,itsconfigurationcouldbe()AOctahedralBFlatsquareCQuartetconeDTriangularbipyramid正确答案：ABC第12题单选题(1分)Whichofthefollowingmoleculesorionsdoesnotcontainlonepair(s)?()AH2OBNH3CNH4+DH2S第13题单选题(1分)Whichofthefollowingbondshasthelargestbondenergy()AO-HBF-HCF-FDN-H第14题单选题(1分)Whichofthefollowingstatementsistrue()ABetweentheatomsofthesameelement,theenergyofthedoublebondistwiceasmuchasthatofthesinglebondBThenumberofcovalentbondsformedbyanatomisequaltothenumberofunpairedelectronsoftheatominthegroundstateCMolecularorbitalsarecomposedofatomicorbitalswithsimilarenergyandmatchedsymmetryonlybetweenthesameatomsDThelinearcombinationofpy

anddxyformsbondingπorbitalandantibondingπ*

orbital第15题单选题(1分)ThehybridorbitalofoxygeninH2Ois()AspBsp2Csp3Ddsp2ExercisesforChapterIV第1题单选题(1分)Amongthefollowinghydrogenbonds,thestrongestoneis(

)AS-H……OBN-H……NCF-H……FDC-H……N第2题单选题(1分)Inwhichofthefollowingsystems,allthethreeintermolecularforcesandhydrogenbondsexistbetweensoluteandsolventmolecules?(

)AI2andCCl4solutionsBI2alcoholsolutionCCCl4AlcoholsolutionDCH3ClinCCl4solution第3题单选题(1分)TheboilingpointsofHCl,HBrandHIincreasesequentially,because:()AVanderWaalsforcereductionBOrientationforceIncreasedCInductionIncreasedDDispersionIncreased第4题单选题(1分)Comparethemeltingpointsofthefollowinggroupsofsubstances,thecorrectorderis()ANaCl

>

NaFBCCl4

>CBr4CH2S>

H2TeDFeCl3

<

FeCl2第5题单选题(1分)Ingraphitecrystals,thechemicalforcebetweenlayersis()AMetalBondBCovalentbondCVanderWaalsforcesDLargeπbond第6题单选题(1分)Whichofthefollowingcarbonateshasthelowestdecompositiontemperature?()ANa2CO3BCaCO3CZnCO3DMgCO3第7题单选题(1分)Whichofthefollowingfluorideshasthelowestsolubilityinwateratroomtemperature?()ALiFBNaFCKFDCsF第8题单选题(1分)Whichofthefollowingstatementisincorrect?()AEnergybandtheorybelievesthattheinsulatorhasfullandemptybands,andthewidthoftheforbiddenbandislargeBAccordingtothebandtheory,semiconductorshavefullandemptybands,butthebandgapisrelativelynarrow.CIntermolecularforcehasnosaturationanddirectionality,whilehydrogenbondinghassaturationanddirectionalityDPotassiummetalhasabody-centeredcubiclatticewithonlyonepotassiumatomineachunitcell第9题判断题(1分)Themoleculesarrangedonthelatticepointsofthemolecularcrystalcanbepolarmoleculesornon-polarmolecules.()第10题判断题(1分)Sb3+belongsto18+2electronconfiguration,Mn2+belongstothe9~17electronicconfiguration.()第11题判断题(1分)Therearenoabsoluteionicbonds,butabsolutecovalentbondsdoexist.()ExercisesforChapterV第1题单选题(1分)Whichofthefollowingstatementsaboutentropyiscorrect()ATheSmӨvalueofpuresubstanceat0Kis

0J·mol-1·K-1BInanisolatedsystem,thereactionwithrSmӨ>0

J·mol-1·K-1isalwaysspontaneousCInareaction,entropyincreaseswithincreasingofproductsDForcrystals,SmӨ=0

J·mol-1·K-1第2题单选题(1分)IfZn(s)+1/2O2(g)=ZnO(s),

∆rHmӨ=

348.28kJ·mol-1

Hg(l)

+1/2O2(g)=HgO(s),

∆rHmӨ=

90.83kJ·mol-1,

the∆rHmӨofZn(s)+HgO(s)=ZnO(s)+

Hg(l)shouldbeA-439.1

kJ·mol-1B515

kJ·mol-1C-257.45

kJ·mol-1DCan'tcalculate第3题单选题(1分)Whenwaterboilsat100oCand101.325kPa,whichfunctionvaluewillchange()AEntropyBVaporpressureCHeatofvaporizationDGibbsfreeenergy第4题单选题(1分)Atstandardstate,areactionisspontaneousatroomtemperature,whilethereversereactionisspontaneousathightemperature.Thefunctionofthereactionshouldbe()A∆rHmӨ

<0,∆rSmӨ

>0B∆rHmӨ

>0,∆rSmӨ

>0C∆rHmӨ

<0,∆rSmӨ

<0D∆rHmӨ

>0,∆rSmӨ

<0第5题单选题(1分)The∆fGmӨ

ofAg2O(s)atroomtemperature

is-10.82

kJ·mol-1.ThereactionAg2O(s)=Ag(s)+

O2(g)atstandardstateandroomtemperatureshouldbeASpontaneousBNon-spontaneousCReversibleDUnabletodetermine第6题多选题(2分)Whichofthefollowingfunctionsareintensiveproperties()AInternalenergyBDensityCTemperatureDEntropy正确答案：BC第7题多选题(2分)Fortheexpansionofanidealgasintovacuumunderadiabaticconditions,whichfunctionsarenotzero()AUBGCSDH正确答案：BC第8题多选题(2分)Atthesametemperature,thecorrectentropyordersare()AO2(g,pӨ)<

O3(g,pӨ)BC2H5OH(g,pӨ)<CH3–O–CH3(g,pӨ)CCl2(l,pӨ)<I2(g,pӨ)DO2(g,100kPa)<O2(g,600kPa)正确答案：AC第9题多选题(2分)Whichofthefollowingstatementsisincorrect()AAtroomtemperature,thestandardmolarentropiesofthesimplesubstancesare0J·mol-1·K-1BForallsimplesubstances,theirstandardenthalpiesofformationare0kJ·mol-1atroomtemperatureCIf∆rSmӨ<0,thereactionisspontaneousDBecausethedecompositionofCaCO3(s)isendothermic,thestandardmolarenthalpyofCaCO3(s)formationisnegative正确答案：ABCDExercisesforChapterV第1题单选题(1分)Whichofthefollowingstatementsaboutentropyiscorrect(

)ATheSmӨvalueofpuresubstanceat0Kis

0J

·mol−1·K−1BInanisolatedsystem,thereactionwith∆rSmӨ>0

J

·mol−1·K−1isalwaysspontaneousCInareaction,entropyincreaseswithincreasingofproductsDForcrystals,SmӨ=0

J

·mol−1·K−1第2题单选题(1分)IfZn(s)+1/2O2(g)=ZnO(s),

∆rHmӨ=

348.28kJ·mol-1

Hg(l)

+1/2O2(g)=HgO(s),

∆rHmӨ=

90.83kJ·mol-1,

the∆rHmӨofZn(s)+HgO(s)=ZnO(s)+

Hg(l)shouldbeA-439.1

kJ·mol-1B515

kJ·mol-1C-257.45

kJ·mol-1DCan'tcalculate第3题单选题(1分)Whenwaterboilsat100oCand101.325kPa,whichfunctionvaluewillchange()AEntropyBVaporpressureCHeatofvaporizationDGibbsfreeenergy第4题单选题(1分)Atstandardstate,areactionisspontaneousatroomtemperature,whilethereversereactionisspontaneousathightemperature.Thefunctionofthereactionshouldbe()A∆rHmӨ

<0,∆rSmӨ

>0B∆rHmӨ

>0,∆rSmӨ

>0C∆rHmӨ

<0,∆rSmӨ

<0D∆rHmӨ

>0,∆rSmӨ

<0第5题单选题(1分)The∆fGmӨ

ofAg2O(s)atroomtemperature

is-10.82

kJ·mol-1.ThereactionAg2O(s)=Ag(s)+

O2(g)atstandardstateandroomtemperatureshouldbeASpontaneousBNon-spontaneousCReversibleDUnabletodetermine第6题多选题(2分)Whichofthefollowingfunctionsareintensiveproperties()AInternalenergyBDensityCTemperatureDEntropy正确答案：BC第7题多选题(2分)Fortheexpansionofanidealgasintovacuumunderadiabaticconditions,whichfunctionsarenotzero()AUBGCSDH正确答案：BC第8题多选题(2分)Atthesametemperature,thecorrectentropyordersare()AO2(g,pӨ)<

O3(g,pӨ)BC2H5OH(g,pӨ)<CH3–O–CH3(g,pӨ)CCl2(l,pӨ)<I2(g,pӨ)DO2(g,100kPa)<O2(g,600kPa)正确答案：AC第9题多选题(2分)Whichofthefollowingstatementsisincorrect()AAtroomtemperature,thestandardmolarentropiesofthesimplesubstancesare0J·mol-1·K-1BForallsimplesubstances,theirstandardenthalpiesofformationare0kJ·mol-1atroomtemperatureCIf∆rSmӨ<0,thereactionisspontaneousDBecausethedecompositionofCaCO3(s)isendothermic,thestandardmolarenthalpyofCaCO3(s)formationisnegative正确答案：ABCD第10题单选题(1分)Ifaclosedsystemgoesthroughaseriesofchangesandfinallyreturnstotheinitialstate,thecorrectoneisAQ

≠0,W=0,S

=0,H

=

QBQ

=-W,S

=0,G

=0,H

=0CQ

=0,W=0,U

=0,H

=0D

Q

=

W,U

=0,H

=0,S

=0第11题多选题(2分)WhichofthefollowingstatementsarecorrectA

Foracertainamountofsubstance,theSmӨofgaseousislargerthanthatofliquidB

If2H2

(g)+O2

(g)→2H2O(l)，∆rHmӨ=

572kJ·mol-1,

the∆fHmӨofH2O(l)is572kJ·mol-1CForpuresubstance,theSmӨvalueislargerthan

0J·mol-1·K-1at273KDTheentropyvalueispositivelycorrelatedwithtemperature正确答案：ACD第12题判断题(1分)Thenegative∆rGmӨindicatesthatthereactionisspontaneousunderstandard-stateconditions.第13题判断题(1分)Themorenegativethe∆Gofachemicalreactionis,thehigherthereactionrateis.第14题判断题(1分)

Forachemicalreactionwithpositive∆HӨand∆SӨ,∆Gwilldecreasewhenthetemperatureincreases.第15题判断题(1分)Heatisaformofenergytransferbetweenthesystemandthesurroundings.Itisneitherapropertyofthesystemnorastatefunction.ExercisesforChapterVI第1题单选题(1分)Thecatalystincreasesthereactionratebychangingthereactionpathway.Inthecatalyticprocess()AThecollisionfrequencyincreasesBTheactivationenergydecreasesCRateconstantdecreasesDTheequilibriumconstantincreases第2题单选题(1分)Foracatalyst,theincorrectdescriptionis()AThechemicalandphysicalpropertiesofthecatalystremainunchangedbeforeandafterthereactionBAcatalystincreasestherateatwhichchemicalequilibriumisreached,butitdoesnotaffecttheequilibriumconcentrations.CCatalystcannotchangetheequilibriumconstantDCatalystdoesnotenableareactionthatisthermodynamicallyimpossible第3题单选题(1分)Theratesofchemicalreactionsincreasesignificantlywithincreasingtemperature.Themainreasonis()AMolecularcollisionsincreaseBThereactantpressureincreasesCTheactivationenergydecreasesDTheamountofactivatedmoleculesincreases第4题单选题(1分)Iftheunitofrateconstantkismol−2·L−2·s−1,thereactionordershouldbe

(

)A1B2C3D4第5题单选题(1分)Forreactionaandreactionb,∆rGm(a)<

∆rGm(b).Thentherelationshipbetweenυ(a)andυ(b)

is

()Aυ(a)>υ(b)Bυ(a)<υ(b)Cυ(a)=υ(b)DNotclear第6题单选题(1分)InthereactionEa

>Ea(reverse),thecorrectoneis(

)A∆rHm

<0B∆rHm

>0C∆rGm

<0D∆rGm

>0第7题单选题(1分)Aftercatalystwasaddedinareactionat800K,theactivationenergywaschangedfrom181.6

kJ·mol-1to151

KJ·mol-1.Howmanytimeswastheratechangedaftertheadditionofcatalyst?

(

)A200B99C50D49第8题多选题(2分)Whichofthefollowingstatementsarecorrect

(

)AIfthemoleculenumberofthereactionproductincreases,theentropyofthesystemmaynotincreaseBIftherateofmA+nB=Cisk[A]m[B]n,m+nistheoverallreactionorder.CThereactionorderisdeterminedbythereactantmoleculenumber.DIfthemoleculenumberdoesnotchangebeforeandafterthereaction,thepressuredoesnotaffecttheequilibrium正确答案：AB第9题单选题(1分)IftheactivationenergyofA+2B=Cis54.6

kJ·mol-1,∆rHmӨ

=-27.7

kJ·mol-1,

theactivationenergyofC=A+2BisA26.9

kJ·mol-1B-26.9

kJ·mol-1C-54.6

kJ·mol-1D82.3kJ·mol-1第10题单选题(1分)

Ifthetemperatureisincreasedbythesameamount,whichchemicalreactionexhibitslargerreactionrate

（）AEndothermicreactionBExothermicreactionCExothermicreactionDAreactionwithabiggerEa第11题判断题(1分)Fortworeactionswithdifferentactivationenergies,thereactionwithgreateractivationenergywillbefasterifthetemperatureincreasedbythesameamount.第12题判断题(1分)Whenthereactiontemperatureisincreased,thereactionrateoftheendothermicreactionwillincrease,butthereactionrateoftheexothermicreactionwilldecrease.第13题判断题(1分)Iftherateofareactionincreaseswithincreasingreactantconcentrations,therateconstantalsoincreases.第14题判断题(1分)Thecatalystcannotchange∆Gofthereaction,butitcanchange∆Hofthereaction.ExercisesforChapterVII第1题多选题(2分)Whichoffollowingstatementsisincorrect?AOnlyareactionwithalargeequilibriumconstanthaspracticalsignificance.BTheequilibriumconstantissmallbecausethereactionproceedsveryslowly.CChangingthereactionconditionscanmakeacertainreactantconsumedmoreintheequilibriumreaction.DInreversiblereactions,theequilibriumconversionofthereactantsdoesnotchangewiththeinitialconcentration.正确答案：ABD第2题单选题(1分)Whichofthefollowingmethodscanchangetheequilibriumconstant

KӨ

ofa

reversiblereaction?A

Changereactantconcentration.BChangetemperature.C

Usecatalyst.DChangetotalpressure.第3题单选题(1分)At473K,thereaction

2NO(g)+O2(g)

⇌

2NO2(g)

reachesequilibriuminaclosedcontainer.AfteraddingHe

toincreasethetotalpressure,theequilibrium

willAShiftleftBShiftrightCNotmoveDBeuncertain.第4题单选题(1分)Atacertaintemperature,

thestandardequilibriumconstantofthe

reaction

N2(g)+3H2(g)

⇌

2NH3(g)

is

KӨ,thenthestandardequilibriumconstantofreaction

NH3(g)

⇌

1/2N2(g)+3/2H2(g)isA(KӨ)-2B-1/2KӨC1/KӨD(KӨ)-1/2第5题单选题(1分)TheKӨforareactionat

973Kis2.92

×10-2,

whichis

1.04at1173K.Thenthereaction

shouldbeAExothermB

EndothermicC

NoheateffectDDifficulttojudge第6题多选题(2分)Areversiblereaction’s

∆rHmӨ

<

0,whenthetemperaturerises,whichofthefollowingdescriptioniscorrect?AThepositivereactionrateconstantincreases,thereversereactionrateconstantdecreases,and

K

Ө

increases.BThepositivereactionrateconstantincreases,thereversereactionrateconstantdecreases,and

K

Ө

decreases.CThepositivereactionrateconstantincreases,thereversereactionrateconstantincreases,and

K

Ө

decreases.DTherateofincreasingtherateconstantofthepositivereactionissmallerthantherateofincreasingtherateconstantofthereversereaction.正确答案：CD第7题判断题(1分)Boththeequilibriumconstantandtheconversionratecanindicatethedegreeofprogressofthereaction,buttheequilibriumconstanthasnothingtodowiththeconcentration,whiletheconversionrateisrelatedtotheconcentration.第8题单选题(1分)Underisothermalconditions,ifthereactionequilibriummovesandthereactionproceedsintheforwarddirection,theequilibriumconstantwillA

Increase.B

Decrease.CDonotchange.D

Bedifficulttojudge.第9题单选题(1分)Understandardconditionsatroomtemperature,thereaction

NO(g)+CO(g)

⇌

1/2N2(g)+CO2(g)hasa∆rHmӨ

=-373.2

kJ·mol-1.TheconditionthatareconducivetothemaximumconversionoftoxicgasesNOandCOisA

Lowtemperatureandlowpressure.B

Lowtemperatureandhighpressure.CHightemperatureandpressure.DHightemperatureandlowpressure.第10题判断题(1分)Since

∆rGmӨ

=-RTlnKӨ,thetemperatureincreasesthentheequilibriumconstantdecreases.

第11题判断题(1分)Thereaction

3H2(g)+N2(g)

⇌

2NH3(g)

iscarriedoutunderconstantpressure.Ifargonisintroducedintothesystem,theammoniayieldwilldecrease.第12题多选题(2分)ThestandardGibbsfreeenergyandequilibriumconstantforthefollowingreactionsareknown:(1)C(s)+O2(g)⇌CO2(g)∆rG1Ө，K1Ө(2)CO2(g)⇌CO(g)+1/2O2(g)∆rG2Ө，K2Ө(3)C(s)+1/2O2(g)⇌CO(g)

∆rG3Ө，K3Өwhichofthefollowingrelationshipiscorrect?A

∆rG3Ө

=

∆rG1Ө

+

∆rG2ӨB

∆rG3Ө

=

∆rG1Ө

-

∆rG2ӨCK3Ө

=

K1Ө

×

K2ӨDK3Ө

=

K1Ө

+

K2Ө正确答案：ACExercisesforChapterVIII第1题单选题(1分)WhichofthefollowingpairsisNOTaconjugateacid-basepairANH3、NH2－BH3O＋、H2OCOH－、O2－

DNaOH、Na＋第2题单选题(1分)AccordingtotheHard-and-softacidsandbases(HSAB)theory,whichofthefollowingspeciesisasoftacidAH＋BNH3CAg+

DAsH3第3题单选题(1分)ThesolutionofpH＝2hasaconcentrationofH＋as()timesasthatinthesolutionwithpH＝6A4

B12

C4000D10000

第4题单选题(1分)IfH2CO3hasaKa1＝4.2×10－7andaKa2=5.6×10－11，thenthepHofa0.10mol·L－1NaHCO3isA8.3B7.0C5.6D11.2第5题单选题(1分)Ifthe0.10mol·L－1HAcsolutionweredilutedintoavolumeastwotimesastheoriginalbywater,the[H+]andpHshouldAdecreaseandincrease,respectivelyBkeepconstantanddecrease,respectivelyCincreaseanddecrease,respectivelyDreducetohalfoftheoriginalandincrease,respectively第6题单选题(1分)WhenNH4Cl（s）isaddedintoaNH3·H2Osolution,

AKbincreasesBKbdecreasesCpHincreasesDpHdecreases第7题单选题(1分)Kwareknownas0.64×10－14(18℃)and1.00×10－14(25℃),andwhichofthefollowingisrightATheionizationofwaterisanexothermicprocessBThepHofwaterisgreaterat25℃thanthatat18℃CTheconcentrationofhydroxylat18℃is0.8×10－7mol·L－1DWaterisneutralonlyat25℃第8题单选题(1分)Thesuitableacid-basepairforabuffersolutionofpH＝9.2isAHAc－NaAc（Ka=1.8×10－5）BNaH2PO4－Na2HPO4（Ka2=6.3×10－8）CNH3－NH4Cl（Kb=1.8×10－5）DNaHCO3－Na2CO3（Ka2=

5.6×10－11）第9题单选题(1分)WhichofthefollowingaqueoussolutionshasapH<7ANH4ClBNa2CO3

CNH4AcDNaHCO3第10题单选题(1分)WhichofthefollowingspeciescanNOTbeconsideredasLewisacidABF3

BNH3CB(OH)3DFe3＋ExercisesforChapterIX第1题单选题(1分)CaC2O4hasaKspof2.6×10－9，andaC2O42－solutionwiththeconcentrationofatlease()mol·L－1isrequiredtoobtainprecipitationfrom

0.020mol·L－1CaCl2solutionA1.3×10－7B1.0×10－9

C5.2×10－10D2.2×10－5

第2题单选题(1分)InordertoincreasethesolubilityofPbSO4（s）,whichofthefollowingcompoundsshouldbeaddedAPb(NO3)2BNa2SO4CH2ODNH4Ac第3题单选题(1分)CaF2hasaKsp＝3.9×10－11.Inasolutioncontaining

3.0mol·L－1F－ions，Ca2＋cationscouldhaveaconcentrationashighas

A1.3×10－11mol·L－1B4.3×10－12mol·L－1

C2.0×10－6mol·L－1D6.2×10－6mol·L－1第4题单选题(1分)Ag3PO4hasaKsp＝1.4×10－16

，thenitssolubilityshouldbe()mol·L－1A9.6×10－6B1.2×10－8C4.8×10－5D1.4×10－4第5题单选题(1分)A1.1×10－6mol·L－1saturatedsolutionofLa2(C2O4)3hasaKspofA1.2×10－12

B1.7×10－28C1.6×10－30D1.7×10－14第6题单选题(1分)ToincreasethesolubilityofCaCO3inaqueoussolution,wemayAadd1.0mol·L－1Na2CO3solutionBadd2.0mol·L－1NaOHsolutionCaddthesamevolumeofwaterDreducethepHofthesolution第7题单选题(1分)Onlywhen(),Ag2CO3(Ksp＝8.1×10－12)maybeconvertedintoAg2C2O4(Ksp＝3.4×10－11)

inthesolutionA[C2O42－]<4.2[CO32－]B[C2O42－]>0.24[CO32－]C[C2O42－]>4.2[CO32－]D[C2O42－]<0.24[CO32－]ExercisesforChapterX第1题单选题(1分)ThestandardcellpotentialE°ofDaniellcellis1.11V.IfthecellpotentialofDaniellcellis1.17V,theconcentrationratio[Cu2+]/[Zn2+]shouldbe()A1:10B1:100C10:1D100:1第2题单选题(1分)AmmoniaisaddedtoacellcomposedofAg+/AgandZn2+/Znuntilequilibriumwith[NH3·H2O]=1mol·L-1.K[Zn(NH3)4]2+=2.9×109,K[Ag(NH3)2]+=1.1×107.Comparedwiththeonewithoutammonia,theelectrodepotentialofthecellis(

)AgreaterBlessCthesameDunclear第3题单选题(1分)ForametalM,EӨ(M2+/M)=-0.40V,EӨ(M3+/M)=-0.04V,thevalueofEӨ(M3+/M2+)shouldbe()A0.96VB第4题单选题(1分)AccordingtoEӨ(I2/I-)=0.5355V,EӨ(H2O2/H2O)=1.776V,EӨ(Cl2/Cl-)=1.3585VandEӨ(Na+/Na)=-2.71V,themostreductivesubstanceis(

)ANa+BH2OCCl-DI-第5题单选题(1分)Accordingto

,thevalueofEӨ(P4/PH3)shouldbe

(

)A-0.9VB-0.97VC1.07VD-0.89V第6题多选题(2分)Whichofthefollowingsubstances’oxidicabilityincreaseswiththeincreasing[H+]

(

)AAg+BO2CCl2DCr2O72−正确答案：BD第7题多选题(2分)ForacellreactionCu2+

+Zn=Zn2+

+Cu,thecellpotentialcanbeincreasedby()AreducingtheconcentrationofZn2+BincreasingtheconcentrationofZn2+CincreasingtheconcentrationofCu2+DreducingtheconcentrationofCu2+正确答案：AC第8题多选题(2分)Whichofthefollowingpairs’electrodepotentialisrelatedtosolutionpH()AH2O2/H2OBO2/OH-CMnO2/Mn2+DMnO4–/MnO42–正确答案：ABCExercisesforChapterXI第1题判断题(1分)Thecoordinationnumberofthecentralatomofthecomplexisequaltothenumberofligands第2题判断题(1分)Thefartherthecoordinationatomsareseparatedfromeachotherinachelateligand,thelargertheringformed,themorestablethechelatecomplexis.第3题判断题(1分)Theenergysplittingdependsonthespaceconfigurationofthecomplexandthechargeofthecentralion第4题多选题(2分)Whichofthefollowingcomplexesshouldbeouter-obitalaccordingtothevalence-bondtheoryandcorrespondingmagneticmomentsA

[Fe(H2O)6]2+，5.3μB

B

[Co(NH3)6]3+，0

μB

C[Fe(CN)6]3-，1.7μBD

[Co(NH3)6]2+，3.9

μB

正确答案：AD第5题单选题(1分)K3[FeF6]hasamagneticmomentof5.9B.M.，whilethemagneticmomentofK3[Fe(CN)6]is2.3B.M..ThedifferentmagneticmomentsofthesetwoFecomplexesshouldbeattributedtoAthedifferentoxidationstatesofFeBthegreaterenergysplittingofdorbitalsinducedbyCN－thanthatbyF－CthegreaterelectronegtivityofFincomparisonofCandNDthestrongπdonatingabilityofCN－第6题单选题(1分)WhichcomplexioniscolorlessA[Ni(NH3)6]2＋B[Cu(NH3)4]2＋C[Cd(NH3)4]2＋D[CuCl4]2－

第7题单选题(1分)Inwhichofthefollowing1.0mol∙L－1solutionsAgIachievesth