Осуществить преобразование: С2Н4-С2H2-CH3CHO-C2H5OH-CH3COOC2H5-CH3COOH-CH2CICOOH
C2H4=C2H2+H2 C2H2+H2O=CH3CHO CH3CHO+H2=C2H5OH C2H5OH+CH3COOH=CH3COOC2H5+H2O CH3COOC2H5+H2O=CH3COOH+C2H5OH CH3COOH+Cl2=CH2ClCOOH+HCl