Za pomocą acetylenu otrzymaj octan sodu.

C2H2+ H2O--> CH3CHO CH3CHO+2Cu(OH)2--> CH3COOH + Cu2O+ 2H2O CH3COOH+ NaOH--> CH3COONA + h2O

CH≡CH+ H2O---->CH3CHO CH3CHO + Ag2O---->CH3COOH + 2Ag 2CH3COOH + 2Na---->2CH3COONa + H2