XIISTANDARD

CHEMISTRYONEMARKS[2010–2011]

1.Thewavelengthassociatedwithaparticlemass3.313x10-31kgmovingwithvelocityof103ms1isa)2x10-6m b)2x10-6cm c)2x10-7m d)2x10-7cm

2.Whichoneofthefollowingparticlehavingsamekineticenergy,wouldhavethemaximum de–Brogliewavelength?a)α–particle b)proton c)-particle d)neutron

3.Whichisthemoststablemolecule?a)N2 b)O2 c)He2 d)Li2

4.ThecompoundformedbySPhybridizationisa)NH3 b)CH4 c)BeCl2 d)C2H4

5.Paramagneticnaturecanbeseeninthemoleculehavinga)apairedelectronb)alonepairofelectron c)loneelectron d)allofthese

6.Bondordercanbecalculatedusingtheformulaa)½(Nb-Na) b)½(Na-Nb) c)2(Na-Nb) d)2(Nb-Na)

7.Whichisincorrect?a)bondordermaybefractional b)ifNb>Namoleculeisstablec)greaterthebondlengthstrongerthebond d)ifNb=Namoleculeisunstable

8.Whichisthecorrectform ofHeisenberg’suncertainityprinciple?a)X.V=h/4π b)X.p<h/4π c)X.P>h/4π d)X.p>h/2π

9.De–Broglie’swavelengthofaparticleis1x10-10cm thenitsmomentum isa)6.63x10-24kgms-1b)6.63x10-32kgms-1c)6.63x10-31kgms-1 d)6.63x10-29kgms-1

10.WhichisusedbyThomsonforhisexperimenttostudythediffractionpatternofelectron?a)Gold b)Nickel c)Zincsulphide d)Silver

11.ThehybridizationpresentinICl4-is

a)sp3 b)dsp3 c)sp3d2 d)sp2

12.Thestrengthofhydrogenbondindecreasingorderisa)H-F>H2O>NH3 b)NH3>H2O>HF c)HF>NH3>H2O d)H2O>HF>NH3

13.3S–orbitalhasa)1nodalplane b)2nodalplane c)2sphericalnoded)4nodalplane

14.ThevalueofBohrradiusofhydrogenatom isa)0.529x10-8cm b)0.529x10-10cm c)0.529x10-6cm d)0.529x10-12cm

15.Thestabilityofamoleculeisdirectlyproportionaltoa)electrondensity b)bondorder c)electronegativityd)allofthese

16.Whichoneofthefollowinghasthelowestionisationenergy?a)Lithium b)Berilium c)Boron d)Carbon

17.Thecorrectorderofionicradiiofhalideionisa)F->Cl->Br->I- b)Cl->F->Br->I- c)I->Br->Cl->F- d)Br->F->I->Cl-

18.TheeffectivenuclearchargeofCl-ionisa)5.75 b)7.75 c)10.2 d)16.8

19.Theorderofionizationenergya)s<P<d<f b)s>p>d>f c)s>d>p>f d)s<d<p<f

20.Whichisbasedonbondenergyandelectronegativityvaluea)Pauling’sscale b)Mellikan’sscale c)Sandersonscaled)Alfredscale

21.Theelectrongainenthalpyofnoblegasesisa)veryhigh b)low c)zero d)verylow

22.IfXA=XBthenthenatureofbondformedbetweenA-Bisa)polarcovalent b)nonpolarcovalent c)ionicbond d)metallicbond

23.Thelowestionisationpotentialinaperiodisshownbya)alkalimetals b)halogens c)noblegas d)alkalineearthmetals

24.Effectivenuclearchargevalueforthelostelectronofanatom havingtheelectronicconfigurationIS22S22P63S23P5isa)2.2 b)6.1 c)5.5 d)4.4

25.BySlater’srulewecandeterminea)screeningconstant b)effectivenuclearchargec)electronegativity d)bothaandb

26.TheunitofElectronegativityis

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a)KJ b)J c)KJ.mol d)KJmol-1

27.Aswegodownagroup,ionisationpotentiala)increases b)decreases c)doesnotchanged)variesirregularly

28.WhichoneofthefollowingstatementsistrueifK+andCl-areisoelectronic?a)Cl-ionislargethanK+ b)K+ionislargethanCl-

c)bothK+andCl-havethesameionicradiid)bothK+andCl-havethesamenumberofprotons

29.Whichonehasthehighestelectronegativityvalue?a)Chlorine b)Bromine c)Iodine d)Fluorine

30.CovalentradiivalueofChlorineatom isa)1.54A0 b)1.98A0 c)0.99A0 d)0.77A0

31.Whichoneexistasaliquidinroom temperature?a)Boron b)Aluminium c)Gallium d)Indium

32.GeneraloutermostelectronicconfigurationofBorongroupisa)ns2np1 b)ns2np2 c)ns2np3 d)ns2np1-6

33.Whichisthemostabundantinearthcrusta)C b)Si c)Ge d)Sn

34.Whichisusedtopurifywatera)Potash b)Potashalum c)Silicone d)Allofthese

35.Trialkylmonochlorosilaneonhydrolysisgivesa)HexaalkylSlinae b)ChainpolymerSiliconec)CrossedpolymerSilicone d)Silicol

36.TheelectrolyteusedduringthepurificationofLeadisa)PbSiF6,H2SiF6 b)H2PbCl4,HCl c)PbSiF4,H2SiF6 d)H2PbCl4,H2SO4

37.Whichisusedinthepreparationofinsecticides?a)Nitrogen b)Arsenic c)Lead d)Silicon

38.PlumboSolvencyisduetotheformationofa)PbO b)Pb3O4 c)Pb(OH)2 d)PbCl2

39.Whichisusedasantiknockingagentforpetrola)Pb(CH3)4 b)Pb(C2H5)4 c)Pb(OH)2 d)H2PbCl4

40.ThechieforeofLeadisa)Argentite b)Zincblende c)Calamine d)Galena

41.de-Broglieequationisa)λ=hv/m b)λ=hm/v c)λ=h/mv d)λ=hv/p

42.Theintramolecularhydrogenbondinginmoleculesleadstoa)highboilingpointb)lowboilingpointc)lowsolubilityinwater d)bothbandc

43.Foranelectrontheuncertainityinvelocityis5.7x105m/sec.Thentheuncertainityinitspositionis[h=6.626x10-34Kgm2S-1,m=9.1x10-31Kg]a)1x10-9m b)1A0 c)1x10-10cm d)1x10-8m

44.Whichoneofthefollowingorbitalisnotincloverleafshape?a)dxy b)dx2-y2 c)dz2 d)dyz

45.Energyofanelectroninanatom isa)-4π2me4/n2h2 b)-2π2me2/n2h2 c)-2π2me4/n2h2 d)-2πme4/n2h2

46.Mathematicalform ofPauling’sscaletodetermineelectronegativityisa)I.E+E.A/2 b) =XA-XB c)0.208 =XA-XB d)ZX=Z-A∆ ∆

47.InwhichcasethebondbetweenAandBismorethan50%ionicandlessthan50%covalent?a)(XA-XB)>1.7 b)XA-XB=1.7c)(XA-XB)<1.7 d)XA=XB

48.Potashalum ismanufacturedfroma)alunite b)aluminon c)ferricalum d)chronealum

49.Theelementwiththehighestionisationpotentialisa)Boron b)Carbon c)Nitrogen d)Oxygen

50.Whichisusedformakingthermistors?a)Indium b)Thallium c)Gallium d)Boron

51.ThetotalnumberofatomspresentinCsClis(CsClhasbccstructure)a)1 b)2 c)3 d)4

52.Anexampleformetaldeficiencydetectisa)NaCl b)AgCl c)CsCl d)FeS

53.InZnO,thecoordinationnumberisa)8 b)6 c)4 d)3

54.WhichoneisnotanexampleforAB2typecrystal?

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a)Cu2O b)TiO2 c)CO2 d)CsCl

55.Vitreousstateisthestateinbetweena)Solidandliquid b)LiquidandGas c)SolidandGas d)Allofthese

56.Whichiscorrectregardingamorphoussolid?a)Theyarenoncompression b)Theydidn’thavedefiniteshapec)Atomsarenotcloselypacked d)Allofthese

57.Infccsystem AtypesatomsareoccupyingthecornersandBtypeatomsareoccupyingfacecentres.Thenthesimplemolecularformulaofthecompoundisa)AB b)AB2 c)AB3 d)A3B

58.Braggequationisa)λ=2dsin b)nd=2sin c)2λ=ndsin d)nλ=2dsin

59.AnexampleforFrenkeldefectisa)NaCl b)AgBr c)CsCl d)FeS

60.Thosesubstancewhichconductelectricitywithzeroresistanceatlowtemperatureisknownasa)Ionicconductor b)Semiconductor c)Superconductord)Metallicconductor

61.Inanioniccrystalsomeofthepointsarenotoccupiedbytheatoms,thistypeofdefectisknownasa)Schottydefect b)Frenkeldefect c)Metalexcessdefect d)Metaldeficientdefect

62.WavelengthofX–raysareintherangeofa)10-8cm b)10-8m c)10-8mm d)10-9m

63.Thechargecarriesinp–typesemiconductorarea)electrons b)protons c)neutrons d)positiveholes

64.Glassisa)amicrocrystallinesolid b)asupercooledliquidc)agel d)apolymericmixture

65.Theimpurityaddedtosilicontoactasasemiconductorisa)Arsenic b)Carbon c)Germanium d)Phosphorous

66.ThemathematicalexpressionsusedtorepresentthefirstlawofThermodynamicsisa)Q=E-W b)Q=E+W c)Q=E/W d)Q=WE

67.Foraspontaneousprocess,S(Unit)isa)zero b)greaterthanzeroc)lessthanzero d)negative

68.Theentropyofvapourisationofaliquidisequaltoa)20Caldeg-1mol-1 b)25Caldeg-1mol-1c)21Caldeg-1mol-1 d)30Caldeg

69.Enthalpyofvapourisationofwateris40850jmol-1.Thentheentropyofvapourisationofwaterat1000Cisa)109.52Jmol-1K-1 b)408Jmol-1K-1 c)10.952Jmol-1K-1 d)40.85Jmol-1K-1

70.Entropyofareversiblereactionisequaltoa)q/T b)E/T c)H/T d)W/T

71.BoilingpointofCCl4is76.70C.Thentheenthalpychageatitsboilingpointisa)21Caldeg-1mol-1 b)30.71KJmol-1 c)30.71Caldeg-1mol-1 d)18.74KJmol-1

72.Theconditionforequilibrium isa)S=0,H=0,G=0 b)G=0,S<0,H<0c)S<0,H>0,G<0 d)G>0,S>0,H>0

73.ThestandardentropiesofCO2(g),C(S),O2(g)are213.6,5.740,205.03K-1

a)2.86JK-1 b)-2.86JK-1 c)8.60JK-1 d)-8.60JK-1

74.Theconditionforspontaneousvxnisa)Increaseinentropy b)Increaseinenthalpyc)Decreaseinfreeenergy d)allofthese

75.Whichonedoesnotincreaseentropy?a)rustingofIron b)sublimationofNaphthalenec)waterisconvertedintosteam d)formationoficefrom water

76.Aheatengineoperatesbetween1100Cand250C.Thenthemaximum efficiencyoftheengineisa)12% b)22.2% c)42% d)32.3%

77.Forthereaction2Cl(g)Cl2(g)thesignsofHandSarerespectivelya)+,- b)+,+ c)-,- d)-,+

78.TheGibb’sfreeenergyGismathematicallydefinedasa)G=H+TS b)G=H-TS c)G=-TS d)G=E-TS

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79.LiquidHelium doesnotobeyTrouton’srulebecauseitsa)boilingpointisveryhigh b)boilingpointislittleabove0Kc)boilingpointislessthan0K d)meltingpointisgreaterthan0K

80.Thestandardentropiesofelementsorcompoundsatanytemperatureabove0Kisa)alwayspositive b)alwaysnegative c)equaltozero d)equaltoone

81.Theequilibrium constantforthereactionN2O4(g) 2NO2(g)isa)PN2O4/PNO2 b)PN2O4/(PNO2)2 c)PNO2/PN2O4 d)(PNO2)2/PN2O4

82.TherelationbetweenKpandKcforthereaction2H2O(g)+2Cl2(g) 4HCl(g)+O2(g)

isa)Kp=KcRT b)Kp=Kc c)K2=(K1)2 d)K1=1/K2

2

83.PCl5 PCl3+Cl2whichonedecreasesthedissociationofPCl5?a)IncreaseofCl2 b)IncreaseofPCl3 c)decreasingpressure d)allofthese

84.Iftheequilibrium constantsofthefollowingreactionsare2A BisK1andB2AisK2thena)K1=2K2 b)K1=1/K2 c)K2=(K1)2 d)K1=1/K2

2

85.Theequilibrium constantKcforA(g) B(g)is2.5x102.Therateconstantoftheforwardreactionis0.05sec-1.Thentherateconstantofthereversereactionisa)5sec b)0.5sec c)2sec-1 d)0.2sec

86.InwhichreactionKp=Kc?a)N2+O2 2NO b)PCl3+Cl2 PCl5

c)N2+3H2 2NH3 d)2SO2+O2 2SO3

87.Thevalueofn(g)forthereaction2NH3 N2+3H2isa)+1 b)+2 c)-2 d)3

88.TheunitofKcfortheequilibrium reaction2SO2+O2 2SO3isa)mol.dm-3 b)mol-1dm3 c)mol.lit d)mol.lit-1

89.TheinitialconcentrationofH2,I2andHIare0.1,0.1and0.02molrespectively.ThenthevalueofQforthedissociationofHIisa)25 b)0.04 c)0.03 d)0.004

90.ThecatalystusedintheHaber’sprocessisa)V2O5 b)Mo c)Fe d)In

91.Theoptimum conditionusedincontactprocesstogetmoreyieldofSO3isa)Pressureis700–1200atm b)Temperatureis4000-4500Cc)CatalystV2O5 d)allofthese

92.Inthereaction2H2O(g)+2Cl2(g) 4HCl(g)+O2(g)

a)Kp=Kc b)Kp>Kc c)Kp<Kc d)Kp=Kc=193.Intheequilibrium N2+3H2 2NH3,themaximum yieldofAmmoniawillbeobtained

withtheprocesshavinga)lowpressureandhightemperature b)lowpressureandlowtemperaturec)hightemperatureandhighpressure d)highpressureandlowtemperature

94.AttemperatureT1,theequilibrium constantofreactioninK1.AtahightemperatureT2,K2is10%ofK1.Thentheequilibrium isa)endothermic b)exothermic c)static d)dynamic

95.Intheequilibrium N2+O2 2NOthenumberofmolesofH2,O2andNOare,1,2and3molesrespectively.Totalpressureofthereactionmixtureis60atm.ThenthepartialpressureofN2inthemixtureisa)10atm b)20atm c)30atm d)100atm

96.Theessentialconditionforspontaneousreactionisa)G=0 b)G>0 c)G<0 d)G<0

97.WhichoneofthefollowingisthemethodofstudyingcrystalsusingX–rays?a)Laveexperiment b)Bragg’sspectrometermethodc)contactmethod d)schottkymethod

98.Thevalueofelectricalresistanceatsuperconductivityisa)10Ohm b)ZeroOhm c)Low d)Veryhigh

99.Aregularthreedimensionalarrangementofidenticalpointinspaceiscalleda)Unitcell b)SpaceLattice c)Primitive d)crostattegraphy

100. ValueofKcfordissociationequilibrium ofPCl5

a)X2V/1-X b)X2P/1-X2 c)X2/(1-X)V d)X2/(1-X2)V

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CHEMISTRY

1.Whichisopticallyactive?a)Isopropylalcohol b)Isobutylalcohol c)2-Pentanol d)1–Bromo–3Butene

2.Whichonedoesnotcontainchiralcenter?a)2-chlorobutane b)2-bromo–3-butanec)2–hydroxypropanal d)Isobutyricacid

3.Whichonemaybeasymmetric?a)C+inacarbocation b)carboninafreeradicalc)ansp2carbon d)ansp3carbon

4.Whichoneform geometricalisomer?a)Isobutraldehyde b)1–Butenec)1,1-dichloroethylene d)1–chloro–2-bromoethylene

5.Themixtureof50%d-isomerand50%l-isomerisa)opticallyinactive b)racemicmixturec)compoundscanbeseparated d)allofthese

6.d-tartaricacidandmesotartaricacidsarea)Functionalisomer b)Diastereomer c)Enantiomer d)Opticalisomer

7.Theshapeofcyclobutaneisa)Planar b)Butterfly c)openenvelope d)Tetrahedral

8.Whichiscorrect?a)cisform ismorestablethantransformb)Transform ismorestablethancisformc)Transform possesseshigherenergythancisformd)BothcisandTransform areequallystable

9.Whichisopticallyactive?a)CHClBrF b)CH3CH2OH c)CH3CHBrCH=CH2 d)CH3CH2Cl

10.Mesotartaricacidisa)Opticallyinactiveduetoexternalcompensation b)Opticallyactivec)havingaplaneofsymmetryandopticallyInactive d)aracemicmixture

11.Theactivationenergyrequiredfortheconversionofaxialtoequatorialform ofcyclohexanolisa)11KCal b)0.7KCal c)11.7KCal d)10.3KCal

12.isomerism exhibitedbyEthyleneGlycolisa)Positionisomerism b)Chainisomerism c)Functionalisomerism d)BothaandC

13.Whichoneconvertsethyleneglycolintoethylene?a)PCl3 b)PI3 c)H2SO4 d)H3PO4

14.Thealcoholobtainedbythehydrolysisofoilsandfatisa)Glycol b)Glycerol c)Propanol d)Phenol

15.WhichonegivesbluecolourinvictorMayer’stest?a)Butan–1–ol b)butan–2–olc)2–methyl–2propanol d)2–methylpropan–1ol

16.C6H5OH+C6H5COCl C6H5OCOC¬6H5+HClthisreactionisknownasNaOH→

a)SchottenBaumannreaction b)Reimer–Tiemannreactonc)Fridel–Craftsreaction d)Dow’sProcess

17.¬C6H5OH+CH2N2 +X+N2 XisOH

-

→a)Aniline b)Anisole c)Phenetole d)MethylBenzene

18.Whichisstronglyacidic?a)m-nitrophenol b)m-chlorophenolc)m-hydroxybenzaldehyde d)m-hydroxytoluene

19.Whichisusedasmedicinetocureasthmaandwhoopingcough?a)Phenylbenzoate b)benzylacetate c)BenzylBenzoate d)Phenylacetate

20.1,2,3---Trihydroxybenzeneisknowasa)Pyrogallol b)Resorcinol c)P-quinol d)Catechol

21.BenzylalcoholontreatmentwithHIgivesa)Benzyliodide b)Iodobenzene c)Methylbenzene d)Benzene

22.Glycerolonoxidationwithsodium hypobromitegivesa)Glycerose b)Mesooxalicacid c)Tartronicacid d)Glycericacid

23.AnexampleforAromaticalcoholisa)Phenol b)Phenylcarbinol c)Phenylmethanol d)Phenylmethanal

24.Glycerol Acrolein,XisX→

a)Potassium bisulphateb)Con.H2SO4 c)P2O5 d)Allofthese25.At533KGlycerolreactswithOxalicacidandforms

a)Formicacid b)Aceticacid c)Allylalcohold)Glycerylmonoformate26.NumberofsecondaryOHgrouppresentinGlycerolis

a)1 b)2 c)3 d)Zero27.Withcon.H2SO41,2–Ethanediolgives

a)Diethyloxalateb)Dioxane c)diethyleneglycol d)Acetaldehyde

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28.EthyleneontreatmentwithBayer’sreagentgivesa)Ethanol b)Ethanal c)Ethane–1,2–diold)Oxalicacid

29.WhichonereactsfasterwithLucasreagent?a)1–butanol b)2–butanolc)2–methylpropan–1–ol d)2-methylpropan–2-ol

30.WhentertiarybutylalcoholvapoursarepassedoverCu/573Kgivesa)Acetaldehyde b)Acetone c)Isobutylene d)CH3COCH3+HCOOH

31.C2H5OH+H2SO4 ‘X’;Xis410K→

a)CH2=CH2 b)C2H5OC2H5 c)CH3CHO d)CH3COOH32.Whichoneconvertsphenolintobenzene?

a)P2O5 b)KHSO4 c)Con.H2SO4 d)Zinc33.Picricacidis

a)1,3,5–Tinitrophenol b)2,4,6–Trinitrophenolc)2,4,6–Tribromophenol d)2,4,6–TrinitroToluene

34.Alcohol+ThionylChloride AlkylchlorideTheintermediateformedduringthecourseofPyridine→

thisreactionisa)Sulphonium ion b)Alkylchlorosulphitec)Chlorosulphonicacid d)Chlorosulphide

35.Alcoholsdoesnotform esterwitha)aceticacid b)aceticanhydride c)acetylchloride d)acetone

36.Whichofthefollowingreagentissuitabletoconvertanaminogroupintoalcohola)dil.HCl b)dil.NaOH c)AcidifiedKMnO4 d)HNO2

37.Whichoneofthefollowingisthestrongestacid?a)Glycol b)Glycerol c)Phenol d)CH3OH

38.WhichisusedtodistinguishBenzylalcoholandphenol?a)PCl5 b)Na c)NeutralFeCl3 d)Fentonsreagent

39.Methylpropyletheranddiethylethersarea)Chainisomer b)Functionalisomerc)Metamers d)Positionisomer

40.Anexampleforsimplearomaticetherisa)CH3OCH3 b)C6H5OCH3 c)C6H5OC6H5 d)C2H5OC2H5

41.ThereagentusedinZeisel’smethodtofindoutmethozygroupinnaturalcompoundisa)PCl5 b)HI c)H2SO4 d)BF3

42.C2H5OC2H5+Cl2 X;XisSunlight→

a)α–chlorodiethylether b)α,α–dichlorodiethyletherc)Perchlorodiethyilether d)Bothaandb

43.ThesolventusedduringthepreparationofGrignardreagentis.a)Ethanol b)Aceticacid c)Diethylether d)Acetone

44.AccordingtoLewisethersarea)Neutral b)Acidic c)Basic d)Amphoteric

45.RONa+R’XROR’+NaX;thisreactionisa)Hoffmanreaction b)Williamsonsynthesis c)Wartsreaction d)Kolbe’sreaction

46.DiethyletherontreatmentwithconH2SO4givesa)Ethanol b)Peroxide c)Ethylhydrogensuplhate d)Oxonium salt

47.Anisoleisobtainedbythereactionofa)C6H5I+CH3ONa b)C6H5ONa+ICH3 c)Bothaandb d)noneofthese

48.WhenEthyleneisconvertedtoGlycolusingHOCl,thefirststepinvolvesa)nucleophilicattackbyH2O b)ElectrophilicattackbyH2Oc)Productionofepozide d)additionacrossdoublebond

49.Ethozyethaneisusedinmedicineasa)antiseptic b)antibiotic c)anesthetic d)antipyretic

50.Whenetherisexposedtoairforsometime,anexplosivesubstanceobtainedisa)oxide b)superoxide c)peroxide d)TNT

51.ButraldehydeandIsobutraldehydesare?a)Chainisomer b)Functionalisomerc)Positionisomer d)Metamers

52.Whencalcium formateisdrydistilleditgivesa)Methanal b)Acetaldehyde c)Acetone d)Acetophenone

53.X CH3CHO;XisPd/BaSO

4

→a)Acetone b)EthanoylChloride c)Aceticacid d)Aceticanhydride

54.2,2–dichloropropaneonhydrolysiswithNaOHgivesa)Acetaldehyde b)Acetone c)Propane d)Propionaldehyde

55.Terminalalkenescanbeidentifiedbyusingthereactionofa)Oxidation b)Hydrolysis c)Ozonolysis d)Reduction

56.Butan2,3–diol Acetaldehyde,XisX→

a)NaOH b)HI c)HIO4 d)Fenton’sreagent

57.CH3CN CH3CHO.ThenameofthisreactionisSn /HClCl

2

→a)Stephen’sreaction b)Cannizaro’sreaction c)Oxidation d)Aldol

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condensation58.Whichisagas?

a)HCHO b)CH3CHO c)CH3CH2CHO d)CH3(CH2)2CHO59.Inaldolcondensationthefirststepinvolves

a)Formationofcarbanion b)Protanation c)Nucleophilicaddition d)Electrophilicaddition

60.Whichonedoesnotundergoaldolcondensationa)HCHO b)C6H5CHO c)C6H5COC6H5 d)allofthese

61.CH3CHO X;XisHCN/H

+

→a)Aceticacid b)Cinnamicacid c)Lacticacid d)Pyruvicacid

62.Urotropinisa)(CH2)6N4 b)Hexamethylenetetraamine c)anurinaryantiseptic d)allofthese

63.Propanone X; XisZn/Hg→HCl

a)Ethane b)Propane c)Propanol d)Isopropylalcohol64.TheintermediatecompoundformedduringtheWolfKishnerreductionis

a)Hydrazine b)Hydrazone c)Iminium chloride d)Diazonium ion

65.CH3COCH2CH2CH3 Themainproductobtainedinthisreactionsare(O)→

a)HCOOH,CH3CH2COOH b)CH3COOH,CH3CH2COOHc)CH3COOH,CH3CH2CH2COOH d)HCOOH,CH3CH2CH2COOH

66.WhichonereducesTollen’sreagentbutdoesnotreduceFehling’ssolution?a)CH3CHO b)C6H5CHO c)HCHO d)CH3COCH¬3

67.C6H5CHCl2 X;Xis/NaOHV

2O5

→a)Phenylmethanol b)Phenylmethanal c)Benzoicacid d)Benzoylchloride

68.WhichisknownasoilofBitteralmonds?a)C6H5CHO b)C6H5COCH3 c)C6H5COC6H5 d)CH3COCH3

69.InclemensionreductionBenzaldehydegivesa)Benzylalcohol b)Toluene c)Phenol d)Hydroxybenzene

70.Thecompoundusedashypnoticunderthenamehyphoneisa)Acetone b)Acetophenone c)benzophenone d)Formaldehyde

71.Schiff’sbaseisobtainedwhenbenzaldehydereactswitha)Alkali b)Ammonia c)Aniline d)Diethylamine

72.CH3COCH3 X;XisCon.H

2SO

4

→a)Paraldehyde b)Phorone c)Mesityloxide d)1,3,5–Trimethylbenzene

73.WhichmixtureonreactiongivesBakelite?a)HCHO,NaOH b)Phenol,Methanal c)Aniline,NaOH d)Phenol,CHCl3

74.Whichonedoesnotundergohaloform reaction?a)Acetone b)Isopropylalcohol c)Ethanal d)Benzophenone

75.WithwhichcompoundGrignardreagentgivessecondaryalcohol?a)HCHO b)CH3CHO c)CH3COCH¬3 d)allofthese

76.Tollen’sreagentisa)Ammoniacalcuprouschloride b)Ammoniacalcuprousoxidec)Ammoniacalsilvernitrate d)Ammoniacalsilverchloride

77.Whichoneundergoescannizaro’sreaction?a)HCHO b)C6H5CHO c)CCl3CHO d)allofthese

78.Thehybridizationofcarbonatom incarbonylgroupisa)sp b)sp2 c)sp3 d)dsp2

79.ThereagentofClemmensonreductionisa)N2H4/NaOC2H5 b)H2O2/FeSO4 c)LiAlH4 d)Zn–Hg/HCl

80.Whichisusedinthepreparationofmalachitegreen?a)Formaldehyde b)Acetaldehyde c)Benzaldehyde d)Acetone

81.Stearicacidisa)C17H35COOH b)C15H31COOH c)C17H33COOH d)C15H33COOH

82.FunctionalisomerofPropanoicacidisa)Methylacetate b)ethylformate c)ethylacetate d)bothaandb

83.CH3CCl3 X;XisKOH→

a)CH3COCH3 b)CH3CHO c)CH3COOH d)HCOOH84.Whichisthestrongestacid?

a)HCOOH b)CH3COOH c)CH3CH2COOH d)(CH3)2CHCOOH85.Duringtheesterificationreactionthefirststepinvolvedis

a)Protanationofcarboxylicacid b)Nucleophilicadditionc)Electrophilicaddition d)Formationofcarbanion

86.FormicacidwhendehydratedwithH2SO4gives

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a)Formaldehyde b)H2O,CO c)CH3OH d)Formylsulphate

CH3COOH CH3–CH3,XisX→

a)LiAlH4 b)NaBH4 c)H2/pt d)HI/P87.InKolbe’selectrolyticreductionsodium acetategives

a)CH4 b)C2H6 c)CH3COCH3 d)CH3CH2OH88.WhichonereducesTollen’sreagent?

a)Methanoicacid b)Aceticacid c)Benzoicacid d)Butyricacid

89.Duringthehydrogenationreactionwhichisusedascatalyst?a)Formicacid b)aceticacid c)Nickelformate d)Nickelacetate

90.Laticacid X; Xis/Fe

2+H2O2

→a)Lactide b)Pyruvicacid c)CO2+H2O d)CH3CHO

91.Whencyanogensispassedthroughaqueousmineralaciditgivesa)Aceticacid b)Lacticacid c)Oxalicacid d)Mandellicacid

92.WhichispresentinTomato?a)Oxalicacid b)Calcium Oxalate c)Potassium hydrogenoxalate d)SodiumLactate

93.Whichisusedasfoodpreservative?a)Sodium Acetate b)Sodium Benzoate c)Sodium Formate d)Sodium Lactate

94.Salicylicacid X; Xis( CO OCH

3)2

→a)Methylsalicylate b)Ethylsalicylate c)Aspirin d)Phenol

95.WhichisusedtoidentifyaswellasestimateOHandNH2group?a)CH3COOH b)CH3COCl c)CH3CONH2 d)CH3COOCH3

96.WhichcompoundgivesbriskeffervescencewithNaHCO3?a)Aceticacid b)Acetaldehyde c)Phenol d)bothaandc

97.HCOOH X; XisC1600

→a)CO+H2O b)H2O c)H2+CO2 d)HCHO+O2

98.Methylsalicylateisknownasa)Oilofbitteralmonds b)Oilofmirbane c)Oilofwintergreen d)Picricacid

99.InClaisenestercondensation,MethylAcetategivesa)Ethylacetate b)MethylacetoAcetate c)Ethylacctoacetated)ethylpropionate

101.NitromethaneandmethylNitritesarea)chainisomer b)positionisomer c)functionalisomer d)metamers

102.CH3NO2+Cl2 XxisNaOH→

a)Picrylchlorideb)Chloropicrin c)monochloronitromethaned)dichloronitromethane103.WithwhichcompoundNitromethanegives1–nitro-2-methyli–2propanol?

a)HCHO b)CH3CHO c)CH3COCH3 d)CH3COCH2CH3

104.NitroalkanesonreaductionwithZn/CaCl2givesa)Primaryamine b)Secondaryamine c)Hydroxylamine d)Carboxylicacid

105.CH3CH2NO2+H2O CH3COOH+x XisHCl→

a)NH3 b)NH2OH c)N2 d)NH4OHCH3

106.C6H5CH-NO2IUPACnameofthiscompoundisa)2–methylnitrobenzene b)2-2nitro–1–phenylethanec)1-1nitro–1-phenylethane d)2–nitro–2–phenylethane

107.Whichisknownasoilofmirbane?a)CH3NO2 b)CCl3NO2 c)C6H5NO2 d)C6H5NH2

108.TheoxidationstateofNitrogeninNitrocompoundisa)+1 b)+2 c)+3 d)+5

109.C6H5NO2 C6H5NH–NHC6H5XisX→

a)Na3ASO3/NaOH b)SnCl2/NaOH c)Zn/NaOH d)Sn/HCl

110.C6H5NO2 X;xisLiAlH

4

→a)C6H5NH2 b)C6H5N=NC6H5 c)C6H5NHOH d)C6H5NH-NHC6H5

111.At413K,NitrobenzenewhentreatedwithNitratingmixtureitgivesa)m –dinitrobenzene b)Orthodinitrobenzenec)p-dinitrobenzene d)1,3,5–Trinitrobenzene

112.Whichisstronglybasic?a)dimethylamine b)trimethlyamine c)methylamine d)amino

methane

113.C CH3CH2NH2;CmaybeLiAlH

4

→a)CH3CH2NO2 b)CH3CONH2 c)CH3CH2NH2 d)Allofthese

114.WhichoneofthefollowinggivesalcoholwithHNO2?a)Primaryamine b)secondaryamine c)Tertiaryamine d)allofthese

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115.CH3NH2+CS2 X;XisHgCl

2

→a)Methylcyanide b)Methylthiocyanatec)Methylisothiocyanate d)Methylisocyanate

116.WhichoneofthefollowinggivesalcoholwithHNO2?a)Methylamine b)dimethylaminec)N,N-dimethylaminomethane d)[(CH3)4N]+Cl-

117.C6H5CONH2 X;Xis→/PdH2

a)Phenylaminomethane b)P–Tollylaminomethanec)Benzylamine d)aandb

118.BenzylamineonoxidationbyKMnO4givesa)Benzylalcoholb)Benzoicacid c)Benzoquinone d)Benzonitrile

119.AnilinewhentreatedwithH2SO4at353Kgivesa)O–aminosulphonicacid b)p-aminobenzenesulphonicacidc)m-aminobenzenesulphonicacid d)allofthese

120.IUPACnameofCH3–CH–CH3is

CNa)Isopropylcyanide b)Isobutreonitrile c)2–methylpropannitrile d)2–cyanoethane

121.WithwhichcompoundGrignardreagentgivesalkylcyanide?a)Cyanogen b)Cyanogenchloride c)Cyanicacid d)Acetonitrile

122.Duringelectrophilicreactionwhichoneofthefollowingisthemostreactive?a)methylbenzene b)benzene c)Benzoicacid d)

Nitrobenzene

123.C6H5NH2 ‘X’;XisNa /HClNO

2

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

124.Whichonedoesnotundergodiazotisationreaction?a)m-Toludene b)Aniline c)p-aminophenol d)benzylamine

125.C6H5N2Cl ‘X’;XisOH2

→a)Benzene b)Anisole c)Chlorobenzene d)Hydroxybenzene

126.Whichoneconvertsbenzenediazonium chlorideintoBenzene?a)H3PO3 b)H3PO4 c)H3PO2 d)PH3

127.Stephen’sreactioninvolvesa)RNH2+CS2 b)RCN+HCl+H2O c)RCN+SnCl2 d)RNH2+COCl2

128.Whichonedoesnotundergocarbylaminereaction?a)Aminobenzene b)Methylamine c)Isopropylamine d)Dimethlamine

129.Amineshavea)Sweetsmell b)Rotteneggsmell c)Fishyodour d)Garlicodour

130.Whichisaweakerbase?a)CH3NH2 b)NH3 c)(CH3)2NH d)C6H5NH2

131.AnexampleforTrisaccharideisa)Glucose b)Gallactose c)Sucrose d)Raffinose

132.GlucoseonreductionwithHI/Pgivesa)Glucoseoxime b)Gluconicacid c)Saccaricacid d)n-hexane

133.WhichisknownasLevolase?a)Glucose b)Sucrose c)Fructose d)Starch

134.Whichoneheatedto2000Cgivescaramel?a)Sucrose b)Glucose c)Fructose d)Cellulose

135.Whenboiledwithdil.H2SO4,Cellulosegivesa)Starch b)Glucose c)Fructose d)Sucrose

136.Proteinsarethepolymersofa)carboxylicacid b)α-aminoacid c)α-hydroxylacid d)-aminoacid

137.Whichisopticallyinactive?a)Alanine b)Proline c)Glycine d)Tyrosine

138.AminoacidsAandBreacttogivea)Twodipeptides b)Tripeptide c)Tetrapeptide d)onedipeptide

139.“Inversionofsugar”meansa)OxidationofSucrose b)ReductionofSucrosec)SucrosehydrolysetoFructoseandGlucosed)PolymerisationofSucrose

140.ThebasewhichisnotpresentinRNAisa)Uracil b)Thiamine c)Adine d)Pyrimidine

141.TheLipidseeninbrainisa)Cephalin b)Lesythin c)bothaandb d)noneofthese

142.Primarystructureofproteins.Explaina)Theaminoacidpresent b)Shapeofproteinc)Peptidebond d)Sequenceofaminoacid

143.Thesugarpresentinnucleicacidis

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a)Hexose b)Tetrose c)Pentose d)Glucose144.Whichisanantacid?

a)Paracetomol b)Atropine c)Aluminium hydroxide d)Dicyclamine.0.2%phenolisusedas

a)Disinfectant b)Antiseptic c)Germicide d)Insecticide145.Whichisanexampleforantispasmodics?

a)Anisotropine b)Atropine c)Dicycloamine d)Allofthese146.Potassium metasulphitereactswithacidoffruitsandproduces…..whichkillsthemicro

organisma)CO2 b)SO2 c)NO2 d)N2O

147.Whichisanaxochrome?a)NO2group b)–N=N-group c)–C=Ogroup d)NHRgroup

148.Buna–N-rubberisobtainedbythepolymerizationofa)Butadiene,styrene b)butadiene,Acrylonitrilec)butane,styrene d)butane,Acetone

149.Anexampleforpolyamideisa)Nylon b)Terylene c)Glyptolplastic d)Buna-S-rubber

151.H2O2+2I-+2H+I2+2H2O,Thetotalofthisreactionisa)1 b)2 c)3 d)zero

152.Inareactioniftheconcentrationofthereaclantisdoublerateisincreasedbyfourtimes.Thenrateofthereactionisa)K[A] b)K[A]2 c)K[A]½ d)K[A]4

153.Foranelementaryreactionordercannotbea)greaterthan3 b)Fractional c)determinedbymechanismd)allofthese

154.Whichoneisanexampleforfirstorderreaction?a)Nuclearreaction b)Inversionofcanesugerc)Dissociationofsulphurylchlorideingaseousphase d)allofthese

155.Inafirstorderreactionat250Ctherateconstantvalueisdeterminedas0.45sec-1thenitshalflifeperiodisa)2.08sec b)2.25sec c)1.54sec d)4.62sec

156.Brominationofbromobenzeneisanexamplefora)Consecutivereaction b)Parallelreaction c)Fastreaction d)Additionreaction

157.Theexcessenergyrequiredbythemoleculestotakepartinachemicalreactionisa)Kineticenergy b)Thresholdenergy c)Potentialenergy d)Activationenergy

158.InArrheniusequation‘A’isa)Probabilityfactor b)Activationenergy c)Collisionnumber d)Frequencyfactor

159.Theunitofzeroorderreactionisa)lit-1mol.sec-1 b)mol.lit-1 c)sec-1 d)lit2sec-1

160.Infirstorderreaction75%ofthereactioniscompletedin48min.thenitsrateconstantvalueisa)0.0288min-1 b)0.048min-1 c)0.024min-1 d)0.0688min-1

161.Whichiscorrectregardingcomplexreactiona)takesplaceinseveralsteps b)orderisgreaterthan3c)productcannotbeformeddirectly d)allofthese

162.Hydrolysisofmethylacetateinpresenceofmineralacidisanexamplefora)zeroorderreaction b)Pseudofirstorderreactionc)secondorderreaction d)firstorderreaction

163.Whichinhibitorisusedduringoxidationofsodium sulphate?a)MnO2 b)Mo c)As2O3 d)alcohol

164.Inleadchamberprocessthehomogeneouscatalystusedisa)NO2 b)NO c)Pt d)Fe

165.Whichisincorrectregardingchemicalsurfaceattractiona)itisirreversible b)Activationenergyisrequiredc)multiplelayerisformed d)adsorbedcompoundisformed

166.Milkisanexampleforthecolloidoftypea)O/W b)W/O c)O/O d)W/W

167.Whichisusedtocurestomachtrouble?a)MilkofMagnesia b)Silvercolloid c)Sulphurcolloid d)potashalum

168.Bloodcanbecoagulatedusinga)Albuminb)Potashalum c)Ferricsolution d)bothbandc

169.Movementofdispersionmedium particleundertheinfluenceofelectriccurrentisknownasa)Brownianmovement b)Tyndalleffect c)Electrodialysis d)Electrodispersion

Karuppasamy.A,PGTinChemistry,Theni.8144870086.

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