下列实验对应的离子方程式正确的是
A.铝溶解在NaOH溶液中:2Al+2OH-=2AlO2-+3H2↑ |
B.醋酸溶液滴入NaHCO3溶液中: H+ +HCO3-= CO2↑+H2O |
C.SO2通入溴水中:SO2+Br2+H2O = SO42-+2Br- + 2H+ |
D.少量铁溶于过量稀硝酸中:Fe+4H++ NO3- =Fe3++NO↑+2H2O |
下列实验对应的离子方程式正确的是
A.铝溶解在NaOH溶液中:2Al+2OH-=2AlO2-+3H2↑ |
B.醋酸溶液滴入NaHCO3溶液中: H+ +HCO3-= CO2↑+H2O |
C.SO2通入溴水中:SO2+Br2+H2O = SO42-+2Br- + 2H+ |
D.少量铁溶于过量稀硝酸中:Fe+4H++ NO3- =Fe3++NO↑+2H2O |
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