Решить химическую цепочку C3H7OH>C2H5COH>C2H5COOH>CH3-CH2-COOC2H5
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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