C2H4 + H2O --> C2H5OH
C2H5OH + CuO ---> CH3CHO + Cu + H2O
CH3CHO + 2Ag[(NH3)2]OH --> CH3COOH + 2Ag + 4NH3 + H2O
2CH3COOH + Na2SO3 --> 2CH3COONa + SO2 + H2O
C2H4 + H2O --> C2H5OH
C2H5OH + CuO ---> CH3CHO + Cu + H2O
CH3CHO + 2Ag[(NH3)2]OH --> CH3COOH + 2Ag + 4NH3 + H2O
2CH3COOH + Na2SO3 --> 2CH3COONa + SO2 + H2O