· 11/12/2017 · a)F-isaweakerligand b)F-isastrongligand c)F-isaflexidentateligand d)F-is achelatingligand 90.In[FeII(CN)6]4-,thecentralmetalionis a)Feb)Fe+2 c)Fe+3 d)CN-91.ThecoordinationnumberofNi(II)in[Ni(CN)4]

BOOKBACKONEMARKS

STD:XII SUB:CHEMISTRY

I.Choosethebestanswer:

1.AtomicStructure-II

2.Dualcharacterofanelectronwasexplainedby

a)Bohr b)Heisenberg c)de-Broglie d)Pauli

3.de-Broglieequationis

4.ThevalueofBohrradiusforhydrogenatom is

a)0.528×10-8cm b)0.529×10-10cm c)0.529×10-9cm d)0.529×10-12cm

5.Whichofthefollowingparticlehavingsamekineticenergy,wouldhavethemaximum de-

Broglie

wavelength

a)α-particle b)proton c)β-particle d)neutron

6.IftheenergyofanelectroninthesecondBohrorbitofH-atom is-E,whatistheenergyofthe

electronintheBohr’sfirstorbit?

a)2E b)-4E c)-2E d)4E

8.Thebondorderofoxygenmoleculeis

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a)2.5 b)1 c)3 d)2

9.ThehybridisationinSF6moleculeis

a)sp3 b)sp3d2 c)sp3d d)sp3d3

10.Theintramolecularhydrogenbondingispresentin

a)o-nitrophenol b)m-nitrophenol c)p-nitrophenol d)p-hydroxybenzaldehyde

2.PeriodicClassification–II

11.ThevalueofC-Cdistancefoundexperimentallyinasaturatedhydrocarbonis

a)1.34Å b)1.36Å c)1.54Å d)1.56Å

12.Onmovingdownthegroup,theradiusofanion

a)Decreases b)Increases c)Nochange d)Noneofthese

13.Effectivenuclearcharge(Z*)canbecalculatedbyusingtheformula

a)Z*=Z–S b)Z*=Z+S c)Z*=S–Z d)Z=Z*-S

14.Pickthecorrectstatement

a)Carbonhavingmorenuclearchargethanboron

b)Thesizeofcarbonatomsislargerthanboron

c)Carbonformselectrondeficientcompounds

d)Carbonformsioniccompounds

15.Comparingtheionizationenergyoffluorinewithcarbon,fluorinehas

a)higherionizationenergy b)lowerionizationenergy

c)sameionisationenergy d)noneofthese

16.Amongthefollowingwhichhasthemaximum ionizationenergy

a)Alkalielements b)Alkalineelements c)Halogens d)Noblegases

17.Theelectronaffinityofanatom is



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a)directlyproportionaltoitssizeb)inverselyproportionaltoitssize

c)isindependentofitssize d)noneofthese

18.Amongthefollowingwhichhashigherelectronaffinityvalue?

a)Fluorine b)Chlorine c)Bromine d)Iodine

19.Thescalewhichisbasedonanempiricalrelationbetweentheenergyofa

bondandtheelectronegativitiesofbondedatomsis……..scale

a)Pauling b)Mulliken’s c)Sanderson’s d)Alfredand

Rochow’s

20.Electronaffinityisexpressedin

a)kJ b)J c)kJmol d)kJmol-1

21.ThebondlengthofCl2moleculeis

a)0.74 b)1.44 c)1.98 d)2.28

22.Theorderofionizationenergy

a)s<p<d<f b)s>p>d>f c)s>d>p>f d)s<d<p<f

23.Acrosstheperiod,electronaffinity

a)decreases b)increases c)decreasesandtheincreases d)increases

andthendecreases

24.Noblegaseshave……………..electronaffinity.

a)High b)Low c)Zero d)Verylow

25.WhenXA>>XB,A–Bbondis

a)polarcovalent b)non-polarcovalentc)Ionic d)metallic

3.p–BlockElements

26.Whichofthefollowingdoesnotbelongtogroup13?

a)B b)Al c)Ge d)In

27.Whichofthefollowingismostabundantinearth’scrust?



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a)C b)Si c)Ge d)Sn

28.AnelementwhichwasburntinlimitedsupplyofairtogiveoxideAwhichontreatmentwith

water

givesanacid.B.AcidBonheatinggivesacidCwhichgivesyellowprecipitatewithAgNO3

solutionAis

a)SO2 b)NO2 c)P2O3 d)SO3

29.Thecompoundwithgarlicodouris

a)P2O3 b)P2O5 c)H3PO3 d)H3PO4

30.TheshapeofPCl5is

a)pyramidal b)trigonalbipyramidal c)linear d)tetrahedral

31.Thecompoundusedassmokescreen

a)PCl3 b)PCl5 c)PH3 d)H3PO3

32.Whichshowsonly-1oxidationstate?

a)fluorine b)bromine c)chlorine d)iodine

33.Onecandrawthemapofbuildingonaglassplateby

a)HI b)HF c)HBr d)HCl

34.Amongthehalogenacid,theweakestacidis

a)HF b)HCl d)HBr d)HI

35.Halogensbelongtothegroupnumber

a)14 b)15 c)17 d)18

36.Thenoblegasesareunreactivebecausethey

a)havesamenumberofelectrons b)haveanatomicityofone

c)aregaseswithlowdensities d)havestableelectronicconfiguration

37.TheshapeofXeF4withoutlonepairis

a)tetrahedral b)octahedral c)squareplanar d)pyramidal

38.Whichisnotknown?



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a)XeF6 b)XeF4 c)XeO3 d)ArF6

39.Thelightestgaswhichisnon-inflammableis

a)He b)H2 c)N2 d)Ar

40.Whichofthefollowinghashighestfirstionizationenergy?

a)He b)Ne c)Ar d)Kr

4.d-BlockElements

41.Thecorrectstatementinrespectofd-blockelementsis

a)Theyareallmetals b)Theyshowvariablevalency

c)Theyform colouredionsandcomplexslats d)allabovestatementarecorrect

42.Thegeneralelectronicconfigurationofd-blockelementsis

a)(n-1)d1-10ns0-2 b)(n-1)d1-5ns2 c)(n-1)d0ns1 d)(n-1)d1-10

ns1-2

43.d-blockelementsform colouredionsbecause

a)Theyabsorbsomeenergyford-stransition b)Theyabsorbsomeenergyforp-d

transition

c)Theyabsorbsomeenergyford-dtransition d)Theydonotabsorbanyenergy

44.Thecorrectelectronicconfigurationofcopperatom is

a)3d104s1 b)3d104s2 c)3d94s2 d)3d54s24p4

45.Copperisextractedfrom

a)cuprite b)copperglance c)malachite d)copperpyrites

46.Sodium thiosulphateisusedinphotographybecauseofits

a)Oxidizingbehaviour b)Reducingbehaviour

c)Complexingbehaviour d)Photochemicalbehaviour

47.Whichoftheionswillgivecolourlessaqueoussolution? a)Ni2+ b)Fe2+ c)

Cu2+ d)Cu+

48.Whichofthefollowingcompoundsisnotcoloured?



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a)Na2[CuCl4] b)Na2[CdCl4] c)K4[Fe(CN)6] d)K3[Fe(CN)6]

49.IntheextractionofCu,thereactionwhichdoesnottakeplaceintheBessemerconverteris

a)2CuFeS2+O2àCu2S+FeS+SO2 b)2Cu2S+3O2à2Cu2O+2SO2

c)2Cu2O+Cu2Sà6Cu+SO2 d)2FeS+3O2à2FeO+2SO2

50.Foratransistionmetalion,theeffectivemagneticmomentinBM isgivenbytheformula

a)Ön(n–1) b)Ön(n+1) c)Ön(n+2) d)

Ön(n+1)(n+2)

51.WhichcompoundisformedwhenexcessofKCNisaddedtoanaqueoussolutionofcopper

sulphate

a)Cu2(CN)2 b)K2[Cu(CN)6] c)K[Cu(CN)2] d)Cu2(CN)2+(CN)2

52.Thechemicalcompositionofslagformedduringthesmeltingprocessintheextractionof

copperis a)Cu2O+FeS b)FeSiO3 c)CuFeS2 d)

Cu2S+FeO

53.Thetransitionelementwiththelowestatomicnumberis

a)Scandium b)Titanium c)Zinc d)Lanthanum

54.Whichtransitionelementshowhighestoxidationstate a)Scb)Ti c)Os d)Zn

55.Theelectronicconfigurationofchromium is

a)3d64s0 b)3d54s1 c)3d44s2 d)3d34s24p1

56.Paramagnetism isthepropertyof

a)pairedelectrons b)completelyfilledelectronicsubshells

c)unpairedelectrons d)completelyvacantelectronicsubshells

57.Silversaltusedinphotographyis a)AgCl b)AgNO3 c)AgF d)

AgBr

58.Whichofthefollowinghasthemaximum numberofunpairedelectrons?

a)Mn2+ b)Ti3+ c)V3+ d)Fe2+

59.Amongthefollowingstatement,theincorrectoneis

a)Calmineandsideritearecarbonates b)Argentiteandcupriteareoxides



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c)Zincblendeandpyritesaresulphides d)Malachiteandazuriteareoresof

copper

60.Selectthecorrectstatement

a)Allcuproussaltsareblueincolour b)Transitionmetalsarehighlyreactive

c)Allcuproussaltsarewhiteincolour d)Mercuryisaliquidmetal

61.ChoosethewrongstatementregardingK2Cr2O7

a)Itisapowerfuloxidizingagent b)Itisusedintanningindustry

c)Itissolubleinwater d)itreducesferricsulphatetoferroussulphate

62.Excessofsodium hydroxidereactswithzinctoform

a)ZnH2 b)Na2ZnO2 c)ZnO d)Zn(OH)2

63.Whichofthefollowingcompoundswillnotgivepositivechromylchloridetest?

a)CuCl2 b)HgCl2 c)ZnCl2 d)C6H5Cl

64.Formationofcolouredionsispossiblewhencompoundscontains

a)pairedelectrons b)unpairedelectrons

c)lonepairsofelectrons d)noneoftheabove

65.Paramagnetism iscommonin…………elements.

a)p-block b)d-block c)s-block d)f-block

66.ThecolourofTi(H2O)63+ionisdue

a)d-dtransition b)Presenceofwatermolecules

c)Interatomictransferofelectrons d)Noneoftheabove

5.f-BlockElements

67.TheelectronicconfigurationofLanthanidesis

a)[Xe]4f05d06s0 b)[Xe]4f1-75d16s1 c)[Xe]4f1-145d16s2 d)[Xe]4f1-14

5d1-106s2



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69.TheelectronicconfigurationofActinidesis

a)[Rn]5f0-146d07s0 b)[Rn]5f0-146d0-27s0 c)[Rn]5f0-146d0-27s1 d)

[Rn]5f0-146d0-27s2

70.Thelanthanidecontractionisresponsibleforthefactthat

a)ZnandYhaveaboutthesameradius b)ZrandNbhavesimilaroxidationstate

c)ZrandHfhaveaboutthesameradius d)ZrandZnhavethesameoxidationstate

71.Themostcommonoxidationstateoflanthanidesis a)+2 b)+1 c)+3

d)+4

72.Lanthanidesareextractedfrom

a)Limonite b)Monazite c)Magnetite d)Cassiterite

73.Theelementsinwhichtheextraelectronenters(n-2)forbitalsarecalled…….elements

a)sblock b)pblock c)dblock d)fblock

74.TheLanthanidescontractionisdueto

a)Perfectshieldingof4felectron b)Imperfectshieldingof4felectron

c)Perfectshieldingof3delectron d)Imperfectshieldingof3delectron

75.Ceriaisusedin

a)toys b)tracerbullets c)gaslampmaterials d)

noneoftheabove

76._______isusedingaslampmaterial a)MnO2 b)CeO2 c)N2O5 d)Fe2O3

77.AlloysofLanthanidesarecalledas

a)Mish-metals b)Metalloids c)Platemetals d)Actinides

78.MetallothermicprocessesinvolvingLanthanidesarecalledas……..process.

a)Aluminothermic b)Lanthanido-thermic c)Reductionprocess d)Oxidation

process

79._______form oxocations

a)Lanthanides b)Actinides c)Noblegases d)

Alkalimetals



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80.Maximum oxidationstateexhibitedbyLanthanidesis a)+1b)+2 c)+3 d)+4

81.Lanthanidesareseparatedby

a)Fractionaldistillation b)Steam distillation c)FractionalCrystallisationd)Sublimation

6.CoordinationandBioCoordinationCompounds

82.Whichadoublesalt

a)K2SO4.Al2(SO4)3.24H2O b)NaCl c)K4[Fe(CN)6] d)KCl

83.Anexampleofacomplexcompoundhavingcoordinationnumber4.

a)K4[Fe(CN)6] b)[Co(en)3]Cl3 c)[Fe(H2O)6]Cl3 d)[Cu(NH3)4]Cl2

84.Thegeometryof[Cu(NH3)4]2+complexion

a)Linear b)Tetrahedral c)Squareplanar d)Angular

85.Anexampleofachelatingligandis a)NO-2 b)Chloro c)Bromo d)en

86.Whichisnotananioniccomplex?

a)[Cu(NH3)4Cl2 b)K4[Fe(CN)6] c)K3[Fe(CN)6] d)[NiCl4]2-

87.Thegeometryof[Ni(CN)4]2-is

a)Tetrahedral b)Squareplanar c)Triangular d)Octahedral

88.Anexampleofanambidentateligandis a)CN- b)Cl- c)NO2- d)I-

89.[FeF6]4-isparamagneticbecause

a)F-isaweakerligand b)F-isastrongligand c)F-isaflexidentateligand d)F-is

achelatingligand

90.In[FeII(CN)6]4-,thecentralmetalionis a)Fe b)Fe+2 c)Fe+3 d)CN-

91.ThecoordinationnumberofNi(II)in[Ni(CN)4]2-is a)2 b)4 c)5

d)6

92.Thegeometryofcomplexion[Fe(CN)6]4-is

a)tetrahedral b)squareplanar c)Octahedral d)triangular

93.TheoxidationnumberofNickelinthecomplexion,[NiCl4]2-is a)+1b)-1 c)+2 d)-2



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94.Thenameof[PtIV(NH3)2Cl2)2+is

a)Diamminedichloroplatinum (IV)ion b)Diamminedichloroplanitate(IV)

c)Diamminedichloroplatinum d)Dichlorodiammineplatinum(IV)ion

95.ForacompoundK4[Fe(CN)6]à4K++[Fe(CN)6]4-,thecomplexionis

a)K+ b)CN- c)Fe2+ d)[Fe(CN)6]4-

96.Ametalionfrom thefirsttransitionseriesformsanoctahedralcomplexwithmagnetic

momentof

4.9BM andanotheroctahedralcomplexwhichisdiamagnetic.Themetalionis

a)Fe2+ b)Co2+ c)Mn2+ d)Ni2+

97.Paramagneticmomentisexpressedin a)Debyeunitb)KJoules c)BM d)ergs

98.Thetypeofisomerism foundinthecomplexes[Co(NO2)(NH3)5]SO4and[Co(SO4)(NH3)5]NO2

a)Hydrateisomerism b)Coordinationisomerism

c)Linkageisomerism d)Ionisation

99.Valencebondtheorydoesnotexplainthepropertyofcomplexcompound

a)geometry b)magnetic c)natureofligand d)colour

7.NuclearChemistry

100.Inthenuclearreaction,92U238à82Pb206,thenumberofaandbparticlesemittedare

a)7a,5b b)6a,4b c)4a,3b d)8a,6b

101.Lossofab-particleisequivalentto

a)Increaseofoneprotononly b)Decreaseofoneneutrononly c)Both(a)and(b)

d)Noneofthese

102.Radioactivityisdueto

a)Stableelectronicconfiguration b)Stablenucleus

c)Unstablenucleus d)Unstableelectronconfiguration

103.Whichoneofthefollowingparticlesisusedtobombard13Al27togive15p30andaneutron



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a)aparticle b)deuteron c)proton d)neutron

104.Inthefollowingradioactivedecay,92X232à89Y220,howmanyaandbparticlesareejected.

a)3aand3b b)5aand3b c)3aand5b d)5aand5b

105.Thephenomenonofradioactivitywasdiscoveredby

a)Madam curie b)Pierrecurie c)HenryBecquerrel d)Rutherford

108.Thereaction5B8à4Be8takesplacedueto

a)adecay b)bdecay c)γ-emmision d)positron

decay

109.92U235nucleusabsorbsaneutronanddisintegratesinto54Xe139,38Sr94andx.Whatwillbe

the

productx?

a)3neutrons b)2neutrons c)aparticle d)bparticle

110.Whichofthefollowingisusedasneutronabsorberinthenuclearreactor?

a)Water b)Deuterium c)Somecompound d)Cadmium

111.Themostpenetratingradiationsare

a)arays b)brays c)grays d)allareequallypenetrating

8.SolidState-II

112.ThecrystalstructureofCsClis

a)Simplecubic b)face-centredcubicc)Tetragonal d)Bodycentredcubic

113.Semiconductorsareusedas

a)rectifiers b)transistors c)solarcells d)alltheabove

114.IntheBragg’sequationfordiffractionofX-rays,‘n’represents

a)Thenumberofmoles b)Avogadronumber

c)Aquantum number d)Orderofreflection

115.Semiconductorswhichexhibitconductivityduetotheflowofexcessnegativeelectrons

arecalled



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a)Superconductors b)n-typesemiconductors

c)p-typesemiconductos d)Insulators

116.Anexampleofmetaldeficiencydefect a)NaCl b)AgCl c)CsCl

d)FeS

117.ThenumberofchlorideionsthatsurroundsthecentralNa+ioninNaClcrystalis………….

a)12 b)8 c)6 d)4

118.Aregularthreedimensionalarrangementofidenticalpointsinspaceiscalled

a)Unitcell b)Spacelattice c)Primitive d)

Crystallography

119.Thesmallestrepeatingunitinspacelatticewhichwhenrepeatedoverandagainresultsin

thecrystal

ofthegivensubstanceiscalled

a)Spacelattice b)Crystallattice c)Unitcell d)Isomorphism

120.AnexampleforFrenkeldefectis a)NaCl b)AgBr c)CsCl d)FeS

121.Thecrystalswhicharegoodconductorsofelectricityandheatare

a)Ioniccrystals b)Molecularcrystals

c)Metalliccrystals d)Covalentcrystals

122.Inasimplecubiccell,eachpointonacornerissharedby

a)Oneunitcell b)Twounitcell c)8unitcell d)4unitcell

123.Theabilityofcertainultracoldsubstancestoconductelectricitywithoutresistanceis

called

a)Semiconductor b)Conductor c)Superconductor d)Insulator

124.Thetotalnumberofatomsperunitcellisbccis a)1 b)2 c)3 d)4

125.Rutileis a)TiO2 b)Cu2O c)MoS2 d)Ru

126.TheBragg’sequationis a)l=2dSinq b)nd=2lSinq c)2l=ndSinq

d)nl=2dSinq

127.Thenumberofcloseneighboursinabodycentredcubiclatticeofidenticalspheresis

a)6 b)4 c)12 d)8



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9.Thermodynamics-II

128.Theamountofheatexchangedwiththesurroundingatconstanttemperatureandpressure

iscalled

a)ΔE b)ΔH c)ΔS d)ΔG

129.Allthenaturallyoccuringprocessesproceedspontaneouslyinadirectionwhichleadsto

a)decreaseofentropy b)increaseinenthalpy c)increaseinfreeenergy d)

decreaseoffreeenergy

130.Inanadiabaticprocesswhichofthefollowingistrue?

a)q=w b)q=0 c)ΔE=q d)PΔV=0

131.Whenaliquidboils,thereis

a)anincreaseinentropy b)adecreaseinentropy

c)anincreaseinheatofvapourisation d)anincreaseinfreeenergy

132.IfΔGforareactionisnegative,thechangeis

a)Spontaneous b)Non-spontaneous c)Reversible d)Equilibrium

133.Whichofthefollowingdoesnotresultinanincreaseintheentropy?

a)crystallisationofsucrosefrom solution b)rustingofiron

c)conversionoficetowater d)vaporisationofcamphor

134.Inwhichofthefollowingprocess,theprocessisalwaysnon-feasible?

a)ΔH>0,ΔS>0 b)ΔH<0,ΔS>0 c)ΔH>0,ΔS<0 d)ΔH<0,ΔS<0

135.ChangeinGibb’sfreeenergyisgivenby

a)ΔG=ΔH+TΔS b)ΔG=ΔH–TΔS c)ΔG=ΔH×TΔS d)Noneoftheabove

136.Forthereaction2Cl(g)→ Cl2(g),thesignsofΔHandΔSrespectivelyare

a)+,– b)+,+ c)–,– d)–,+

10.ChemicalEquilibrium



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137.Stateofchemicalequilibrium is

a)dynamic b)stationery c)none d)both

138.Iftheequilibrium constantsofthefollowingreactionsare2A«BisK1andB«2AisK2,then

a)K1=2K2 b)K1=1/K2 c)K2=1/K2 d)K1=1/K22

139.Inthereversiblereaction2HI«H2+I2,Kpis

a)greaterthanKc b)lessthanKc c)EqualtoKc d)Zero

140.Intheequilibrium N2+3H2«2NH3,themaximum yieldofammoniawillbeobtainedwiththe

processhaving

a)lowpressureandhightemperature b)lowpressureandlowtemperature

c)hightemperatureandhighpressure d)highpressureandlowtemperature

141.Forthehomogeneousgasreactionat600K 4NH3(g)+5O2(g)«4NO(g)+6H2O(g)the

equilibrium constantKchastheunit

a)(moldm-3)-2 b)(moldm-3) c)(moldm-3)10 d)(moldm-3)-9

142.Twomolesofammoniagasareintroducedintoapreviouslyevacuated1.0dm3vesselin

whichit

partiallydissociatesathightemperature.Atequilibrium 1.0moleofammoniaremains.The

equilibrium constantKcforthedissociationis

a)27/16(moledm-3)2 b)27/8(moledm-3)2 c)27/4(moledm-3)2 d)

None

143.Anequilibrium reactionisendothermicifK1andK2aretheequilibrium constantsatT1

andT2

temperaturesrespectivelyandifT2isgreaterthanT1then

a)K1islessthanK2 b)K1isgreaterthanK2 c)K1isequaltoK2 d)Noneof

these

11.ChemicalKinetics-II

144.HydrolysisofanesterbydiluteHClisanexamplefor



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a)secondorderreaction b)zeroorderreaction

c)pseudofirstorderreaction d)firstorderreaction

145.Theunitofzeroorderrateconstantis

a)litremol-1sec-1 b)mollitre-1sec-1 c)sec-1 d)litre2sec-1

146.Theexcessenergywhichamoleculemustpossesstobecomeactiveis knownas

a)kineticenergy b)thresholdenergy c)potentialenergy d)activation

energy

147.Arrheniusequationis

a)k=Ae-1/RT b)k=Ae-RT/Ea c)k=Ae-Ea/RT d)k=AeEa/RT

148.Theterm AinArrheniusequationiscalledas

a)Probabilityfactor b)Activationofenergy c)Collisionfactor

d)Frequencyfactor

149.Thesum ofthepowersoftheconcentrationtermsthatoccurintherateequationiscalled

a)molecularity b)order c)rate d)rateconstant

150.Reactionsinwhichthereactingmoleculesreactinmorethanonewayyieldingdifferent

setof

productsarecalled

a)consecutivereactionsb)parallelreactions c)opposingreactions d)

chainreactions

151.Thehalflifeperiodofafirstorderreactionis10minutes.Theitsrateconstantis

a)6.93x102min-1 b)0.693x10-2min-1 c)6.932x10-2min-1 d)

69.3x10-1min-1

152.Forareaction:aA-----àbB,therateofreactionisdoubledwhentheconcentrationofAis

increasedbyfourtimes.Therateofreactionis

a)k[A]a b)k[A]1/2 c)k[A]1/a d)k[A]

153.2N2O5-----à4NO2+O2,d[N2O5]/dt=kl[N2O5],d[NO2]/dt=k2[N2O5]andd[O2]/dt=k[N2O5],the

relationbetweenk1,k2andk3is



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a)2k1=4k2=k3 b)k1=k2=k3 c)2k1=k2=4k3 d)2k1=k2=k3

154.Forareaction,Ea=0andK=4.2x105sec-1at300K,thevalueofkat310Kwillbe

a)4.2105sec-1 b)8.4x105sec-1 c)7.4x104sec-1 d)unpredictable

12.SurfaceChemistry

155.Themigrationofcolloidalparticlesundertheinfluenceofanelectricfieldisknownas

a)electroosmosis b)cataphoresis c)electrodialysis d)

dialysis

156.Whichoneisthecorrectfactorthatexplainstheincreaseofrateofreactionbyacatalyst

a)shapeselectivity b)particlesize

c)increaseoffreeenergy d)loweringofactivationenergy

157.Fogisacolloidalsolutionof

a)gasinliquid b)liquidingas c)gasinsolid d)solidingas.

158.ThephenomenonofTyndall’seffectisnotobservedin

a)emulsion b)colloidalsolution c)truesolution d)None

159.TheTyndall’seffectassociatedwithcolloidalparticlesisdueto

a)presenceofcharge b)scatteringoflight c)absorptionoflight d)

reflectionoflight

160.Incaseofphysicaladsorption,thereisdesorptionwhen

a)temperatureincreases b)temperaturedecreases

c)pressureincreases d)concentrationincreases

161.Colloidalmedicinesaremoreeffectivebecause

a)theyareclean b)theyareeasytoprepare



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c)theyaresolubleinwater d)theyareeasilyassimilatedandadsorbed

162.Oilsolubledyeismixedwithemulsionandemulsionremainscolourlessthen,theemulsion

is

a)O/W b)W/O c)O/O d)W/W

163.Forselectivehydrogenationofalkynesintoalkenethecatalystusedis

a)Niat250°C b)Ptat25°C

c)Pd,partiallyinactivatedbyquinoline d)Raneynickel

164.Forchemisorption,whichiswrong

a)irreversible b)itrequiresactivationenergy

c)itformsmultimolecularlayersonadsorbate d)surfacecompoundsareformed

165.Anemulsionisacolloidalsolutionof

a)twosolids b)twoliquids c)twogases d)onesolidandone

liquid

166.Colloidsarepurifiedby

a)precipitation b)coagulation c)dialysis d)

filtration

13.ElectroChemistry-I

167.Theprocessinwhichchemicalchangeoccursonpassingelectricityistermedas.

a)neutralization b)hydrolysis c)electrolysis d)ionization

168.Thelawsofelectrolysiswereenunciatedfirstby...............

a)Dalton b)Faraday c)Kekule d)Avogadro

169.Whenonecoulombofelectricityispassedthroughanelectrolyticsolution,themass

depositedonthe

electrodeisequalto...............

a)equivalentweight b)molecularweight c)electrochemicalequivalentd)onegram

170.Faraday’slawsofelectrolysisarerelatedto...............



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a)atomicnumberofthecation b)atomicnumberoftheanion

c)equivalentweightoftheelectrolyte d)speedofthecation

171.Thespecificconductanceofa0.01M solutionofKClis0.0014ohm-1cm-1at250C.Its

equivalent

conductanceis...............

a)14ohm–1cm2eq–1 b)140ohm–1cm2eq–1 c)1.4ohm–1cm2eq–1 d)0.14ohm–1

cm2eq–1

172.TheequivalentconductivityofCH3COOHat250Cis80ohm-1cm2eq-1andatinfinitedilution

400ohm-1cm2eq-1.ThedegreeofdissociationofCH3COOHis.............

a)1 b)0.2 c)0.1 d)0.3

173.Whensodium acetateisaddedtoaceticacid,thedegreeofionisationofaceticacid....

a)increases b)decreases c)doesnotchange d)becomes

zero

174.NH4OHisaweakbasebecause...............

a)ithaslowvapourpressure b)itisonlypartiallyionised

c)itiscompletelyionised d)ithaslowdensity

176.Ostwald’sdilutionlawisapplicableinthecaseofthesolutionof...............

a)CH3COOH b)NaCl c)NaOH d)H2SO4

177.Whichoneofthefollowingrelationshipiscorrect?

a)pH=1/[H+] b)pH=log10[H+] c)log10pH=[H+] d)pH=log101/[H+]

178.When10–6moleofamonobasicstrongacidisdissolvedinonelitreofsolvent,thepHof

thesolution

a)6 b)7 c)lessthan6 d)morethan7

179.WhenpHofasolutionis2,thehydrogenionconcentrationinmoleslitre-1is....



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a)1x10–12 b)1x10–2 c)1x10–7 d)1x10–4

180.ThepHofasolutioncontaining0.1NNaOHsolutionis.......... a)1 b)10–1

c)13 d)10–13

181.AsolutionwhichisresistanttochangesofpHonadditionofsmallamountsofanacidor

abaseis

knownas.............

a)buffersolutionb)truesolution c)isohydricsolution d)idealsolution

182.Thehydrogenionconcentrationofabuffersolutionconsistingofaweakacidanditssalt

isgivenby

a)[H+]=Ka[Acid]b)[H+]=Ka[salt] c)[H+]=Ka[Acid] d)[H+]=Ka [salt]

[salt] [acid]

183.Indicatorsusedinacid-basetitrationsare...........

a)strongorganicacids b)strongorganicbases

c)weakorganicacidsorweakorganicbases d)non-electrolyte

184.Forthetitrationbetweenoxalicacidandsodium hydroxide,theindicatorusedin...........

a)potassium permanganate b)phenolphthalein c)litmus d)methyl

orange

16.HydroxyDerivatives

185.Whichhasthehighestboilingpoint? a)CH3CH3 b)CH3OH c)C2H5OH d)C3H8

186.WhichissolubleinH2O?

a)Phenol ` b)Alkanes c)Alcohols d)Alkenes

187.Orderofreactivityofalcoholtowardssodium metalis

a)primary<secondary>tertiary b)primary>secondary>tertiary

c)primary<secondary<tertiary d)primary>secondary<tertiary

188.Theboilingpointofethylalcoholshouldbelessthanthatof



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a)propane b)formicacid c)dimethylether d)Noneofthe

above

189.EthylalcoholcannotbeusedasasolventforCH3MgIbecause

a)CH3MgIreactswithalcoholgivingmethane

b)Thereactionbetweenthem isexplosiveinnature

c)CH3MgIisconvertedtoC2H5MgI d)AlcoholisimmiciblewithCH3MgI

190.Whenalcoholsareconvertedtoalkylchloridesbythionylchlorideinpresenceofpyridine

the

intermediateformedis

a)sulphonium ion b)chlorosulphonicacid

c)alkylchlorosulphite d)chlorosulphite

191.Onoxidationofanalcoholgivesanaldehydehavingthesamenumberofcarbonatomsas

thatofalcohol.Thealcoholis

a)1oalcohol b)2oalcohol c)3oalcohol d)None

192.Acompoundthatgivesapositiveiodoform testis

a)1-pentanol b)2-pentanone c)3-pentanone d)

pentanal

193.ThecompoundthatreactsfastestwithLucasreagentis

a)butan-1-ol b)butan-2-ol c)2-methylpropan-1-ol d)2-methylpropan-2-ol

194.Theionizationconstantofphenolishigherthanthatofethanolbecause

a)phenoxideionisbulkierthanethoxide b)phenoxideionisstrongerbasethan

ethoxide

c)phenoxideionisstablizedthroughdelocalization

d)phenoxideionislessstablethanethoxideion

195.Amongthefollowingcompoundsstrongestacidis

a)CH≡CH b)C6H6 c)C2H6 d)

CH3OH



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196.p-nitrophenolishavinglowerpKavaluethanphenolbecause

a)phenolismoreacidicthanp-nitrophenol

b)anionofp-nitrophenolismorestabilisedbyresonancethanthatofphenol

c)degreeofionisationofp-nitrophenolislessthanthatofphenol

d)anionofp-nitrophenolislessstablethanthatofphenol

197.ThereactionofLucasreagentisfastwith

a)(CH3)3COH b)(CH3)2CHOH c)CH3(CH2)2OH d)CH3CH2OH

198.WhenphenolisdistilledwithZndustitgives

a)benzaldehyde b)benzoicacid c)toluene d)benzene

199.Acompoundthatundergoesbrominationeasilyis

a)benzoicacid b)benzene c)phenol d)toluene

200.Isomerism exhibitedbyethyleneglycolis……….isomerism

a)position b)chain c)functional d)both(a)

and(c)

201.Ethylenediamineisconvertedtoethyleneglycolusing

a)Na2CO3solution b)nitrousacid c)NaHCO3(aqueous) d)Baeyer’sreagent

202.Ethyleneglycolformsterylenewith

a)adipicacid b)phthalicanhydride c)terephthalicacid d)oxalicacid

203.1-propanoland2-propanolcanbebestdistinguishedby

a)oxidationwithKMnO4followedbyreactionwithFehlingsolution

b)oxidationwithacidicdichromatefollowedbyreactionwithFehlingsolution

c)oxidationbyheatingwithcopperfollowedbyreactionwithFehlingsolution

d)oxidationwithconcentratedH2SO4followedbyreactionwithFehlingsolution

204.Glycerolisused

a)asasweeteingagent b)inthemanufactureofgoodqualitysoap

c)inthemanufactureofnitroglycerin d)inalltheabove



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205.Thealcoholobtainedbythehydrolysisofoilsandfatsis

a)pentanol b)propanol c)glycerol d)glycol

206.Thenumberofsecondaryalcoholicgroupinglycerolis a)1 b)2 c)3

d)0

207.Theactivecomponentofdynamiteis

a)Keiselghur b)Nitroglycerine c)Nitrobenzene d)Trinitrotoluene

208.ThereactionofethyleneglycolwithPI3gives

a)ICH2CH2I b)CH2=CH2 c)CH2=CHI d)ICH=CHI

PickOuttheincorrectstatements:

209.a)Secondaryalcoholwithheatedcopperat570Kgivesketone

b)IsobutylalcoholinVictorMeyer’stestgivesbluecolour.

c)Methylalcoholismoretoxicthanethylalcohol d)Methylalcoholisusedinalcoholic

beverages

210.a)Theintermediatecompoundinthepreparationofethylenefrom ethylalcoholand

con.H2SO4is

C2H5.HSO4.

b)Anorganicacidreactswithalcoholtoform anester.

c)Theacidityofphenolisduetothepresenceofbenzenering

d)Tertiaryalcoholscannotbeeasilyoxidised

211.a)BenzylalcoholandphenolcanbedistinguishedbyusingBr2/H2Oreagent.

b)Formationofphenolfrom chlorobenzeneisanexampleofelectrophilicaromatic

substitution.

c)TheIUPACnameofethyleneglycolisethane1,2-diol

d)whenethyleneglycolisheatedto773Kdehydrationreactiontakesplace.

212.a)EthyleneglycolreactswithCon.H2SO4toform ethyleneoxide.

b)Whenacidifiedpotassium permanganatereactswithethyleneglycolC–Cbondcleavage

takesplace.



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c)GlycerolondehydrationformsCH2=CH–CHO d)Ethylenedecolourisesbromine

water.

17.Ethers

213.Etherisformedwhenalkylhalideistreatedwithsodium alkoxide.Thismethodisknown

a)Hoffmannreaction b)Williamson’ssynthesis

c)Wurtzsynthesis d)Kolbe’sreaction

214.WhenethylIodideistreatedwithdrysilveroxideitforms

a)Ethylalcohol b)diethylether c)silverethoxide d)ethylmethylether

215.Williamson’ssynthesisisanexampleof

a)nucleophilicaddition b)electrophilcaddition

c)electrophilicsubstitution d)Nucleophilicsubstitutionreaction

216.Oxygenatom ofetheris

a)veryactive b)Replacable c)oxidizing d)Comparativelyinert

217.Theisomerism exhibitedbyC2H5OC2H5andCH3–O–CH– CH3is

CH3

a)Functional b)metamerism c)position d)chain

218.Whichoneofthefollowingissimpleether?

a)CH3–O–C2H5 b)C2H5–O–CH3 c)C2H5–O–C2H5 d)C3H7–O–

C2H5

219.AccordingtoLewisconceptofacidsandbases,ethersare

a)Neutral b)Acidic c)Basic d)Amphoteric

220.Whenetherisexposedtoairforsometimeanexplosivesubstanceproducedis

a)peroxide b)oxide c)TNT d)superoxide

221.Diethylethercanbedecomposedwith a)HI b)KMnO4 c)NaOH

d)H2O



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222.Intermolecularhydrogenbondsarenotpresentin

a)CH3COOH b)C2H5OC2H5 c)CH3CH2OH d)C2H5NH2

18.CarbonylCompounds

223.Thechainisomerof2-methylpropanalis

a)2-butanone b)butanal c)2-methylpropanold)but-3-ene-2-ol

224.Schiffsreagentgivespinkcolourwith

a)acetone b)acetaldehyde c)ethylalcohol d)

methylacetate

225.Isopropylalcoholvapourswithairoversilvercatalystat520Kgive

a)tert.butylalcohol b)acetaldehyde c)acetone d)2-propanol

226.Methylketonesareusuallycharacterisedby

a)theFehling’ssolutionb)theiodoform test c)theSchiff’stest d)theTollen’s

reagent

227.Whichofthefollowingcompoundsisoxidisedtogiveethylmethylketone?

a)2-propanol b)2-pentanone c)1-butanol d)2-butanol

228.Formaldehydepolymerisestogive

a)paraldehyde b)paraformaldehydec)formalin d)formicacid

229.Tollen’sreagentis

a)ammoniacalcuprouschloride b)ammoniacalcuprousoxide

c)ammoniacalsilvernitrate d)ammoniacalsilverchloride

230.WhenacetaldehydeisheatedwithFehlingsolution,itgivesaprecipitateof

a)Cu2O b)CuO c)CuO+Cu2O d)Cu

231.ThecompoundthatdoesnotundergoCannizzaroreactionis

a)formaldehyde b)acetaldehyde c)benzaldehyde d)trimethyl

acetaldehyde



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232.Theformationofcyanohydrinfrom aketoneisanexampleof

a)electrophilicaddition b)nucleophilicaddition

c)nucleophilicsubstitution d)electrophilicsubstitution

233.HydrogenationofbenzoylchlorideinthepresenceofPdonBaSO4gives

a)phenol b)benzoicacid c)benzylalcohol d)

benzaldehyde

234.From whichofthefollowing,tertiarybutylalcoholisobtainedbytheactionofmethyl

magnesium

iodide?

a)HCHO b)CH3CHO c)CH3COCH3 d)CO2

235.DuringreductionofaldehydeswithhydrazineandC2H5ONatheproductformedis

a)R–CH=N–NH2 b)R–CN c)R–CO–NH2 d)R–CH3

236.Aldolobtainedfrom acetaldehydeis

a)2-hydroxybutanol b)3-hydroxybutanolc)3-hydroxybutanald)2-hydroxybutanal

237.InthereductionofacetaldehydeusingLiAlH4thehydrideionactsas

a)electrophile b)nucleophile c)both(a)and(b) d)afreeradical

238.Whichofthefollowingstatementiswrong?

a)2-pentanoneand3-pentanonearepositionisomers

b)aqueoussolutionofformaldehydeisknownasformalin

c)aldehydesandketonesundergonucleophilicsubstitution

d)aldehydesactasreducingagents

239.AcyanohydrinofacompoundXonhydrolysisgiveslacticacid.TheXis

a)HCHO b)CH3CHO c)(CH3)2CO d)C6H5CH2CHO

240.TheIUPACnameofCH3–C=CH–C–CH3is

| ||

CH3 O



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a)4-methylpent-3-en-2-one b)2-methylpent-3-en-2-one

c)3-methylpent-2-en-1-one d)Noneofthese

241.Whichofthefollowingdoesnotgiveiodoform test?

a)acetophenone b)benzophenone c)CH3–CHCH3 d)CH3–CH–CH2

CH2–CH3

| |

OH OH

242.ThecompoundwhichdoesnotreduceFehlingsolutionis

a)formaldehyde b)acetaldehyde c)benzaldehyde d)propionaldehyde

Conc.H2SO4

243.CH3COCH3 Theproductis

a)mesitylene b)mesityloxide c)phorone d)paraldehyde

244.Whichcompoundonstrongoxidationgivespropionicacid?

a)CH3–CH–CH3 b)CH3–CO–CH3 c)CH3 d)CH3CH2CH2OH

| |

OH CH3–C–OH

|

CH3

245.Thecompoundusedinthepreparationofthetranquilizer,sulphonalis

a)acetone b)acetophenone c)isopropylalcohol d)glycol

246.Calcium acetate+calcium benzoateondistillationgives

a)benzophenone b)benzaldehyde c)acetophenone d)phenyl

benzoate

247.Bakeliteisaproductofreactionbetween

a)formaldehydeandNaOH b)phenolandmethanal

c)anilineandNaOH d)phenolandchloroform



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19.CarboxylicAcids

248.Whichofthefollowingisleastacidic

a)C2H5OH b)CH3COOH c)C6H5OH d)ClCH2COOH

249.Weakestacidamongthefollowingis

a)Aceticacid b)Phenol c)Water d)Acetylene

250.Esterformationinvolvesthereactionof

a)analdehydeandaketone b)AnalcoholwithRMgX

c)Twomoleculesofanacidwithdehydratingagent d)Anacylhalidewithanalcohol

251.Heatingamixtureofsodium acetateandsodalimegives

a)methane b)ethane c)aceticacid d)benzene

252.TheacidwhichreducesTollen'sreagentis

a)aceticacid b)benzoicacid c)formicacid d)oxalicacid

CH3

|

253.TheIUPACnameofCH3–CH2–CH–COOHis

a)a-methylbutricacid b)3-methylbutanoicacid

c)2-methylbutanoicacid d)Isopentanoicacid

254.TheIsomerism exhibitedbyCH3CH2COOHandCH3COOCH3is

a)metamerism b)position c)chain d)functional

255.TheacidthatcannotbepreparedbyGrignardreagent

a)aceticacid b)formicacid c)butyricacid d)benzoicacid

256.Whichorderofarrangementiscorrectintermsofthestrengthoftheacid

a)CH3–CH2COOH>CH3COOH<HCOOH<ClCH2COOH



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b)ClCH2COOH<HCOOH<CH3COOH<CH3CH2COOH

c)CH3–CH2COOH<CH3COOH<HCOOH<ClCH2COOH

d)HCOOH>CH3CH2COOH<CH3COOH>ClCH2COOH

257.ThecompoundwhichundergoesintramoleculardehydrationwithP2O5is

a)aceticacid b)formicacid c)propionicacid d)Butyricacid

H

258. C=O160C ?Theproductis

HO

a)CO+H2O b)HCOOH c)H2+CO2 d)HCHO+O2

260.WhenchlorineispassedthroughaceticacidinpresenceofredP,itforms.

a)acetylchloride b)Trichloroacetaldehyde c)Trichloroaceticacid d)Methyl

chloride

261.WhichofthefollowingcompoundswillreactwithNaHCO3solutiontogivesodium saltand

CO2?

a)aceticacid b)n-hexanol c)phenol d)both(a)and(c)

262.Whenpropanoicacidistreatedwithaqueoussodium -bicarbonatate,CO2isliberated.The

"C"of

CO2comesfrom

a)methylgroup b)carboxylicacidgroup c)methylenegroup d)bicarbonate

263.Carboxylicacidsaremoreacidicthanphenolandalcoholbecauseof

a)intermolecularhydrogenbonding (b)formationofdimers

c)highlyacidichydrogen d)greaterresonancestabilisationoftheir

conjugatebase

264.Amongthefollowingthestrongestacidis

a)ClCH2COOH b)Cl3CCOOH c)CH3COOH d)Cl2CHCOOH

265.Whichofthefollowingcompoundisopticallyactive?

a)CH3CH2COOH b)HOOC–CH2–COOH c)CH3CH(OH)COOH d)Cl2CHCOOH



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266.CH3CH(OH)COOH ?Theproductis

H2O2/Fe2+

a)CH3COCOOH b)CH3CH2COOH c)CH3CHOHCHO d)COOHCH2COOH

267.Thecompoundfoundinsomestonydepositinkidneysis

a)potassium oxalate b)oxalicacid c)potassium succinate d)calcium

oxalate

268.Ethylenecyanideonhydrolysisusingacidgives

a)oxalicacid b)succinicacid c)adipicacid d)propionicacid

20.OrganicNitrogenCompounds

269.Bromoethanereactswithsilvernitritetogive

a)C2H5NO2 b)C2H5–O–NO c)C2H5Ag+NaBr d)C2H5NC

270.Theisomerism exhibitedbyCH3CH2–NO2andCH3CH2–O–N=Ois

a)position b)chain c)functional d)

tautomerism

280.Innitroalkanes–NO2groupisconvertedto–NH2groupbythereactionwith

a)Sn/HCl b)Zndust c)Zn/NH4Cl d)Zn/NaOH

281.WhennitromethaneisreducedwithZndust+NH4Clinneutralmedium,weget

a)CH3NH2 b)C2H5NH2 c)CH3NHOH d)C2H5COOH

282.Thecompoundthatismostreactivetowardselectrophilicnitrationis

a)Toluene b)benzene c)benzoicacid d)

nitrobenzene

283.Nitromethanecondenseswithacetaldehydetogive

a)nitropropane b)1-nitro-2-propanolc)2-nitro-1-propanold)3-nitropropanol

284.Whichofthefollowingcompoundshasthesmellofbitteralmonds?

a)aniline b)nitromethane c)benzenesulphonicacid d)nitrobenzene

285.Nitrationofnitrobenzeneat373Kresultsin



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a)o-dinitrobenzene b)1,3,5-trinitrobenzene c)p-dinitrobenzene d)m-dinitro

benzene

286.Nitrobenzeneonelectrolyticreductionincon.sulphuricacid,theintermediateformedis

a)C6H5NH–NHC6H5 b)C6H5–NHOH c)C6H5–N=N–C6H5 d)C6H5.HSO4

287.Electrophileusedinthenitrationofbenzeneis

a)hydronium ion b)sulphonicacid c)nitronium ion d)bromideion

288.ThereductionofCH3–CH2–C≡ Nwithsodium andalcoholresultsintheformationof

a)CH3–CH-CH3 b)CH3–CH2–CH2–OH+N2

|

NH2

c)CH3–CH2–CH2–NH2 d)CH3–CH2–NH2

289.Thebasiccharacterofaminesisduetothe

a)tetrahedralstructure b)presenceofnitrogenatom

c)lonepairofelectronsonnitrogenatom d)highelectronegativityofnitrogen

290.Theorganiccompoundthatundergoescarbylaminereactionis

a)(C2H5)2NH b)C2H5NH2 c)(C2H5)3N d)(C2H5)4N+I–

291.Primaryamineactsas

a)Electrophile b)Lewisbase c)Lewisacid d)Freeradical

292.Oxidationofanilinewithacidifiedpotassium dichromategives

a)p-benzoquinone b)benzoicacid c)benzaldehyde d)

benzylalcohol

293.Whichoneofthefollowingisasecondaryamine?

a)aniline b)diphenylamine c)sec.butylamine d)tert.butylamine

NaNO2/HClO0c

294.C6H5NH2 X.IdentifyX.

a)C6H5Cl b)C6H5NHOH c)C6H5N2Cl d)C6H5OH



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295.Whichofthefollowingwillnotundergodiazotisation?

a)m-toluidine b)aniline c)p-aminophenol d)benzylamine

296.Anilinediffersfrom ethylaminebythereactionwith

a)metallicsodium b)analkylhalide c)chloroform andcausticpotash d)

nitrousacid

297.Whenaqueoussolutionofbenzenediazonium chlorideisboiledtheproductformedis

a)benzylalcohol b)benzene+N2 c)phenol d)phenylhydroxylamine

21.BioMolecules

298.Whichisamonosaccharideamongthefollowing?

a)Sucrose b)Cellulose c)Maltose d)Glucose

299.Identifythereducingsugar.

a)Sucrose b)Cellulose c)Starch d)Glucose

300.Sucroseisnot

a)adisaccharide b)anon-reducingsugar.

c)hydrolysedtoonlyglucose d)hydrolysedtoglucose&fructose

301.Sucrosecontainsglucoseandfructoselinkedby

a)C1–C1 b)C1–C2 c)C1–C4 d)C1–C6

302.Glucoseisnotoxidisedtogluconicacidby

a)Br2/H2O b)Fehlingsolutions c)Tollen’sreagent d)Conc.HNO3

303.Inversionofsucroserefersto

a)oxidationofsucrose b)reductionofsucrose

c)hydrolysisofsucrosetoglucoseandfructose d)polymerisationofsucrose.

304.Glucoseforms___________withaceticanhydrideandsodium acetate.

a)diacetate b)tetraacetate c)pentaacetate d)hexaacetate

305.Theaminoacidwithoutchiralcarbonis



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a)Glysine b)Alanine c)Proline d)Thyrosine

306.Thebuildingblockofproteinsare

a)α-hydroxyacids b)α-aminoacids c)β-hydroxyacids d)β-aminoacids

307.Whichisnottrueofaminoacid?

a)aminoacidformsZwitterion b)hasisoelectricpoint

c)dualbehavior d)aminoacidisinsolubleinNaOHsolution

308.TwoaminoacidssayA,B-reacttogive

a)twodipeptides b)threedipeptides c)fourdipeptides d)onlyone

309.Adipeptidedoesnothave

a)twopeptideunits b)portionsoftwoaminoacids

c)anaminogroup d)saltlikestructure

310.Proteinsarenotsensitiveto

a)acids b)bases c)elevatedtemperature d)

water

311.Denaturationdoesnotinvolve

a)breakingupofH–bondinginproteins b)thelossofbiologicalactionofenzyme

c)thelossofsecondarystructure d)lossofprimarystructureofproteins

312.Specificityofenzymeisdueto

a)thesequenceofaminoacids b)secondarystructure

c)tertiarystructure d)alloftheabove

313.Ultimateproductsofhydrolysisofproteinsis

a)aniline b)aliphaticacid c)aminoacid d)aromaticacid

314.Proteinsare

a)polypeptides b)polyacids c)polyphenols d)polyesters

315.Whichofthefollowingcontainsalipid?

a)starch b)mineraloil c)edibleoil d)peptide



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316.Whichamongthefollowingcontainstriglyceride?

a)Wax b)Cookingoil c)Essentialoil d)Albumin

317.Whichcontainsalongchainester?

a)wax b)cookingoil c)turpentineoil d)cellulose

318.Anexampleofafattyacidobtainedfrom acookingoilis

a)aceticacid b)stearicacid c)benzoicacid d)

oxalicacid

319.Whichisnotasaturatedfattyacid?

a)Palmiticacid b)Stearicacid c)Oleicacid d)Glyceric

acid

320.Alkalinehydrolysisofcookingoilgives

a)soap b)glycerol c)fattyacid d)both(a)and(b)

321.Hairandnailcontains

a)cellulose b)fat c)keratin d)lipid

322.Importantconstituentofcellwallis

a)lipid b)cellulose c)protein d)vitamin

ALLTHEBEST

A.Karuppasamy,

PGassistantinChemistry,

Theni,

Cell:8144870086



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· 11/12/2017 · a)F-isaweakerligand b)F-isastrongligand c)F-isaflexidentateligand d)F-is achelatingligand 90.In[FeII(CN)6]4-,thecentralmetalionis a)Feb)Fe+2 c)Fe+3 d)CN-91.ThecoordinationnumberofNi(II)in[Ni(CN)4]