台州学院2008届无机化学期末试题

1、 2008201. ( A )AHCO3-,H2O,HPO42- BHF,F-,HSO4-CHCO3-,CO32-,HS- DOH-,H2PO4- ,NH4+2 0.20mol.dm-3HCOOH3.2%HCOOH=( A )A2.010-4 B1.310-3 C6.410-3 D6.410-438Ce3+( C )A4f2 B4f05d1 C4f1 D6s14 ( C )AC<N<O<F BC>N>O>FCC>N<O<F DC>N<O>F5( B )APCl5(g) BNF3 CSF6 DBeCl2(g)6( C )AN

2、H3 B CCF3H DHNO37( D )ANaCl>SiO2>HCl>HF BSiO2>NaCl>HCl>HFCNaCl>SiO2>HF>HCl DSiO2>NaCl>HF>HCl8( A )AH3PO3 BH2SO4 CH3PO2 DNaH2PO49(D )A HClO4<HbrO4<H5IO6 BH2SO4<H2SeO4>H2TeO4CHClO4<H2SO4<H3PO4 DHNO3<H3PO4<H3AsO410,( B )AB.,C,D ,.1101N2(g)+3H2

3、(g)=2NH3(g),rHm0<0 2-_H=Ea()-Ea()30.10moldm-3100mL0.10moldm-350mlpH=4.74K3=1.810-54NH3>NF3,N>H,N<F,NH3>NF35CoCl(NH3)5Cl2NH4Cr(NCS)4(NH3)23451. Co2O3(s)2. 3. 4. ;5. Bi()6. KI7. 8. (KOH)NaNO29. NaOH10. (CN-)11. NCl312. NaBiO3(s)Mn2+13. Al2(SO4)NaHCO314. Na2O215. Cu2SO4(s)1. Co2O3+6HCl=2

4、CoCl2+Cl2+3H2O2. TiO2(s)+2C(s)+2Cl2(g)=TiCl4+2CO(g)3. 2Br-+Cl2=Br2+2Cl-3Br2+3Na2CO3=5NaBr+NaBrO3+3CO25NaBr+NaBrO3+3H2SO4=3Br2+3Na2SO4+3H2O4. Cr2O72-+4H2O2+2H+2CrO5+5H2O4CrO5+12H+=4Cr3+7O2+6H2O5. Bi(OH)3+3NaOH+Cl2=NaBiO3+2NaCl+3H2O6. Hg22+2I-=Hg2I2Hg2I2+2I-=HgI42-+Hg(l)7. 2Na2S2O3+I2=2NaI+Na2S4O68. 2

5、KMnO4+NaNO2+2KOH=2K2MnO4+NaNO3+H2O9. 3I2+6NaOH=5NaI+NaIO3+3H2O10. Cl2+CN-+2OH-=CNO-+2Cl-+H2O11. NCl3+3H2O=3HOCl+NH312. 5NaBiO3(s)+2Mn2+14H+=5Bi3+2MnO4-+5Na+7H2O13. Al3+3HCO3-=Al(OH)3+3CO214. 2Na2O2+2H2O=4NaOH+O215. 2Cu+(aq)=Cu2+(aq)+Cu551. ABCCADDAEKIFA.B.C.D.E.F1. A.PbO2,B.O2,C.PbO,D.Cl2,E.PbCl3-,F

6、.PbI2PbO2 PbO+O2PbO2+5HCl()=PbCl3-+Cl2+H+2H2OPbCl3-+2I-=PbI2+3Cl-(720)1. 2.00L0.500molL1NH3aq2.00L0.500molL1HClpH=9.00c (NH3H2O) c(NH4)K(NH3)=1.8105NH3aqHClNH3H2ONH4Cl2.00LNH3aqHClHClxL(2.00x)LK(NH3)=1.8105 x=1.32.00x=3.33.3L2Pb2Zn20.10 molL1H2S(g)H2SHClS2PbSZn2HPb2Kspa(ZnS)=2102Kspa(PbS)=3107Zn2(aq) H2S(aq) ? ZnS(s) 2H(aq)K=1/ Kspa(ZnS)ZnSH=0.71 molL1Pb2(aq) H2S(aq) ? PbS(s) 2 H(aq)(cB