C2h2 c2h4 c2h5oh ch3cooh ch3cooh (ch3coo)2 mg
C2H2+H2=C2H4 C2H4+H2O=C2H5OH C2H5OH+KMnO4+H2SO4=CH3COH+MnSO4+K2SO4+H2O CH3COH+CuO=CH3COOH+Cu 2CH3COOH+Mg=(CH3COO)2Mg+H2
спасибо ♥♥♥