Объяснение:
CH3-CH3 -> CH2=CH2 + H2 (t,kat)
CH2=CH2 + HOH -> CH3-CH2-OH
CH3-CH2OH + CuO-> CH3-COH + Cu + H2O
CH3-COH + Ag2O -> CH3COOH + 2Ag
2CH3COOH + 2Na ->2 CH3COONa + H2
