C2H2+H2O=CH3CHO (HgSO4, t)
CH3CHO+Ag2O=CH3COOH+2Ag
CH3COOH + Cl2 = CH2ClCOOH + HCl
NH3 + CH2ClCOOH = CH2NH2COOH + HCl
C2H2+H2O=CH3CHO (HgSO4, t)
CH3CHO+Ag2O=CH3COOH+2Ag
CH3COOH + Cl2 = CH2ClCOOH + HCl
NH3 + CH2ClCOOH = CH2NH2COOH + HCl