Question

CH3COH(Над стрелочкой [O] )--->X1(Над стрелочкой +Cl2)--->X2(Над стрелочкой +NH3)--->X3(Над стрелочкой +HCL)--->X4 

Answer 1

CH3COH->([O]) CH3COOH

CH3COOH+Cl2->CH2ClCOOH+HCl

CH2ClCOOH+NH3->NH2CH2COOH+HCl

NH2CH2COOH+HCl->(NH3CH2COOH)Cl