Ca + 2C = CaC2
CaC2 + 2H2O = Ca(OH)2 + C2H2
C2H2 + H2O ---Hg2+> CH3CHO
CH3CHO + 2Cu(OH)2 = CH3COOH + Cu2O + 2H2O
Ca + 2C = CaC2
CaC2 + 2H2O = Ca(OH)2 + C2H2
C2H2 + H2O ---Hg2+> CH3CHO
CH3CHO + 2Cu(OH)2 = CH3COOH + Cu2O + 2H2O