Схема превращения: CH3COONA-CH4-C2H2-CH3CHO-CH3COOH-(CH3COO)2Mg
CH3COONa +Na2CO3(t)= CH4+Na2CO3 2CH4 (t)=CHCH(междуС тройная связь) CHCH+H2O(kat)=CH3CHO CH3CHO+2Cu(OH)2(t)= CH3COOH +Cu2O +2H2O 2CH3COOH +Mg= (CH3COO)2Mg +H2