下列离子方程式正确的是
A.苯酚钠溶液中通入少量CO2:2C6H5O-+CO2+H2O→2C6H5OH+CO32- |
B.甲醛溶液中加入足量的银氨溶液并加热:HCHO+2[Ag(NH3)2]++2OH-HCOO-+NH4++2Ag↓+3NH3+H2O |
C.乙醛与碱性氢氧化铜悬浊液混合后加热至沸腾:CH3CHO+2Cu(OH)2+OH—Cu2O↓+CH3COO—+3H2O |
D.向小苏打溶液中加入醋酸: CO32-+2CH3COOH =CO2↑+H2O+2CH3COO- |
下列离子方程式正确的是
A.苯酚钠溶液中通入少量CO2:2C6H5O-+CO2+H2O→2C6H5OH+CO32- |
B.甲醛溶液中加入足量的银氨溶液并加热:HCHO+2[Ag(NH3)2]++2OH-HCOO-+NH4++2Ag↓+3NH3+H2O |
C.乙醛与碱性氢氧化铜悬浊液混合后加热至沸腾:CH3CHO+2Cu(OH)2+OH—Cu2O↓+CH3COO—+3H2O |
D.向小苏打溶液中加入醋酸: CO32-+2CH3COOH =CO2↑+H2O+2CH3COO- |
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