1、2-2-5 离子反应的过量问题练习1、向FeBr2溶液中通入Cl2(1)Cl2少量时:(2)Cl2过量时:2、向FeI2溶液中通入Cl2(1)Cl2少量时:(2)Cl2过量时:3、向NH4HCO3溶液中滴加NaOH溶液(1)NaOH少量时:(2)NaOH过量时:4、向NH4HSO3溶液中滴加NaOH溶液(1)NaOH少量时:(2)NaOH过量时:5、向Na2CO3溶液中滴加盐酸(1)盐酸少量时:(2)盐酸过量时:6、向Na2溶液中滴加盐酸(1)盐酸少量时:(2)盐酸过量时:7、向H3PO4溶液中滴加NaOH(1)NaOH少量时:(2)NaOH过量时:8、向H2C2O4(草酸,二元弱酸)溶液中滴
2、加NaOH(1)NaOH少量时:(2)NaOH过量时:9、向NaOH溶液中通入CO2(1)CO2少量时:(2)CO2过量时:10、向NaOH溶液中通入SO2(1)SO2少量时:(2)SO2过量时:11、向NaOH溶液中通入H2S(1)H2S少量时:(2)H2S过量时:12、向AlCl3溶液中滴加NaOH溶液(1)NaOH少量时:(2)NaOH过量时:13、向NaAlO2溶液中滴加盐酸(1)盐酸少量时:(2)盐酸过量时:14、向Ba(HCO3)2溶液中滴加NaOH溶液(1)NaOH少量时:(2)NaOH过量时:15、向Ca(OH)2溶液中滴加NaHSO3溶液(1)NaHSO3少量时:(2)NaH
3、SO3过量时:答案1、(1)Cl2少量时:2Fe2+ Cl2=2Fe3+ 2Cl(2)Cl2过量时:2Fe2+4Br+ 3Cl2=2Fe3+ 2Br2+6Cl2、(1)Cl2少量时:2I+ Cl2=I2+2Cl(2)Cl2过量时:2Fe2+4I+ 3Cl2=2Fe3+ 2I2+6Cl3、(1)NaOH少量时:HCO3+OH= H2O+CO32(2)NaOH过量时:NH4+ HCO3+2OH= H2O+CO32+NH3H2O4、(1)NaOH少量时:HSO3+OH= H2O+SO32(2)NaOH过量时:NH4+ HSO3+2OH= H2O+SO32+NH3H2O5、(1)盐酸少量时:CO32+
4、H+= HCO3(2)盐酸过量时:CO32+2H+= H2O+CO26、(1)盐酸少量时:S2+H+= HS(2)盐酸过量时:S2+2H+= H2S7、(1)NaOH少量时:H3PO4+OH= H2PO4+H2O(2)NaOH过量时:H3PO4+3OH= PO43+3H2O8、(1)NaOH少量时:H2C2O4+OH= H C2O4+H2O(2)NaOH过量时:H2C2O4+2OH= C2O42+2H2O9、(1)CO2少量时:2OH+ CO2= CO32+ H2O(2)CO2过量时:OH+ CO2= HCO310、(1)SO2少量时:2OH+ SO2= SO32+ H2O(2)SO2过量时:
5、OH+ SO2= HSO311、(1)H2S少量时:2OH+ H2S= S2+ 2H2O(2)H2S过量时:OH+ H2S=HS+ H2O12、(1)NaOH少量时:Al3+3OH=Al(OH)3(2)NaOH过量时:Al3+4OH=AlO2+2H2O13、(1)盐酸少量时:AlO2+ H+H2O=Al(OH)3(2)盐酸过量时:AlO2+4 H+= Al3+2H2O14、(1)NaOH少量时:HCO3+OH+Ba2+= BaCO3+ H2O(2)NaOH过量时:2HCO3+2OH+Ba2+= BaCO3+ CO32+2H2O15、(1)NaHSO3少量时:HSO3+OH+Ca2+= CaSO3+ H2O(2)NaHSO3过量时:2HSO3+2OH+Ca2+= CaSO3+ SO32+2H2O
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