CaO-CaC2-C2H2-CH3COH-CH3COOH-(CH3COO)3Ca
CaO + 3C = CaC2 + CO CaC2 + 2HOH = Ca(OH)2 + C2H2 C2H2 + HOH (HgSO4) = CH3COH CH3COH + Ag2O = CH3COOH + 2Ag 2CH3COOH + Ca = (CH3COO)2Ca + H2