Осуществите превращение: СaC2→C2H2→CH3COH→CH3CH2OH→C2H5-O-C2H5.
1)CaC2+H2O--›Ca(OH)2+C2H2 2)C2H2+H2O-(HgSO4)-›CH3COH 3)CH3COH+H2--(Pd)-›CH3CH2OH 4)2CH3CH2OH-(<140°,H2SO4к)--›C2H5OC2H5+H2O