Напишите уравнения реакции: С2Н2->СН2СООН->?->?->NH2->СН2->СООН.
C2H2 + H2O (t,Hg2+)= CH3COH
CH3COH + Ag2O (t)= CH3COOH + 2Ag
CH3COOH + Cl2 = CH2ClCOOH + HCl
CH2ClCOOH + 2NH3 = CH2NH2COOH + NH4Cl