Осуществить превращение CH4->C2H2->CH3COH->CH3COOH->CH3COOC2H5->C2H5OH->CH3COH
2CH4 = C2H2 + 3H2 C2H2 + H2O = CH3COH CH3COH + Ag2O = CH3COOH + 2Ag CH3COOH + C2H5-OH = CH3COOC2H5 + H2O CH3COOC2H5 + H2O +[O] = C2H5OH C2H5OH + [O] = CH3COH