无机化学(双语)试题及答案

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1、无机化学（双语）试题一、Choosethebestanswerforeachofthefollowingquestions(2pointseach,20points)1.InF－Cl—Br－Iorder,theincorrectregularityofhalogenis()A.X-ionicradius:F-Cl>Br>IC.electronaffinity:F>Cl>Br>ID.ionizationenergy:F->Cl->Br->I-2.Theoxidationstateandcoordinationnumber

2、ofPtin[Pt(en)2]2+are()A.+2和2B.+4和4C.+2和4D.+4和23.WhichofthefollowinggroupsofsolutioncannotproduceblackdepositwhentheionsreactwithNa2Ssolution()A.Fe2+,Bi3+B.Cd2+,Zn2+C.Hg2+,Pb2+D.Ag+,Cu2+4.WhichofthefollowinggroupsofreagentcanidentifyH3PO4、H4P2O7and(HPO3)n()A.AgNO3andNH3·H2OB.AgNO3andeggwhite(蛋白)

3、C.AgNO3andHClD.AgNO3andKI5.Thestabilitysequenceofthefollowingsubstancesis()A.H2CO3

4、rrect()A.SnCl2isacommonreducingagentinlaboratoryB.excessiveSn2+canreduceHg2+toHgC.SnreactswithHClcanproduceSnCl2D.SnCl2canproduceSn(OH)2depositbyhydrolyzation8.WhichofthefollowingreagentsshouldwechoosetoremoveasmallquantityofCuSO4fromZnSO4solution()A.NH3·H2OB.NaOHC.ZnD.H2S9.Whichofthefollowingr

5、eagentscanseparateCr3+fromAl3+()A.NaOHandH2O2B.NaOHandH2SC.NH3·H2Oand(NH4)2SD.H2SO4andH2O210.WhichofthefollowingmetalscannotreactwithHCltoproduceH2()A.LaB.PtC.NdD.Pr二、Determinethefollowingstatementstrueorfalsewithsign“√”or“×”(1pointeach,10points)1.HydrogeniseasilyadsorbedbyNi,PdandPt,especially

6、Palladium(钯).()2.Thereducibilitysequenceofhydrogenhalides(卤化氢)isHF>HCl>HBr>HI.()3.O3isanonpolarmolecule.()4.奈斯勒试剂是[HgI4]2-与KOH的混合溶液，若加入后有红棕色沉淀则证明有铵盐存在。()5.H3BO3isaweakternaryacid(三元酸).()6.硫酸钡是唯一无毒的钡盐，在医学上可用于消化道的X射线造影检查。()7.Al2S3deposit(沉淀)canbeobtainedbythesolutionreactionofNa2SandAl2(SO4)3.()8

7、.任何中心原子配位数为4的配离子均为四面体构型。()9.向K2CrO4和K2Cr2O7溶液中加入AgNO3时都生成砖红色Ag2CrO4沉淀。()10.Lanthanide(镧系)areallreactive(活泼的)metalswhichhavereducibility(还原性).()三、Fillintheblanks(1pointeach,20points)1.市售盐酸的百分比浓度为_______________，其物质的量浓度为____________