Решить цепочку c3h7oh> c2h5coh> c2h5cooh> ch3-ch2-cooc2h5

CH3-CH2-CH2-OH + CuO -> CH3-CH2 -COH + Cu + H2O
CH3-CH2COH  + Ag2O -> CH3-CH2COOH + 2Ag
CH3-CH2-COOH + HO-CH2-CH3 -> CH3-CH2-COOCH2-CH3 + H2O