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Химия

81.

CaC2 + 2H2O → Ca(OH)2 + C2H2

C2H2 + H2O -(Hg2+,t) → CH3C(O)H

CH3C(O)H +Ag2O (t, NH3 H2O) → CH3COOH + 2Ag

2CH3COOH + Ba(OH)2 → (CH3COO)2Ba + 2H2O

(CH3COO)2Ba (t)→ BaCO3 + CH3COCH3