С1. Осуществить превращения :
C2H2 +H2o (Hg2+) = CH3CHO CH3CHO + Ag2O = CH3COOH + 2Ag CH3COOH + Cl2 = CH2(Cl)COOH + HCl CH2ClCOOH + 2NH3 = NH2CH2COOH + NH4Cl