Помогите 2 задание ур реакции
1) CH2=CH2 +HCL = CH3-CH2-CL
2) CH3-CH2-CL+ HOH = CH3-CH2-OH + HCL
3) CH3-CH2-OH + CuO = CH3-COH +CuO + H2O
4) CH3COH + Ag2O = CH3-COOH + 2Ag