Составить цепочку 1. CaC2 --> C2H2 --> C2H4 --> C2H5OH --> CH3CHO --> CH3COOH
CaC2+2H2O-->Ca(OH)2+C2H2 C2H2+H2-->C2H4 C2H4+HOH-->C2H5OH C2H5OH+O2-->CH3COH+H2O ( kat Ag) CH3COH+Ag2O-->CH3COOH+2Ag