Chemistry - AMINES Question with Solution | TestHub

Here the final product Z is Benzamide which is formed as follows
$${\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{NH}}_{\text{2}}\underset{\text{273}\text{K}}{\overset{{\text{NaNO}}_{\text{2}}\text{+HCl}}{\to }}\underset{\text{(X)}}{{\text{C}}_{\text{6}}{\text{H}}_{\text{5}}\stackrel{+}{{\text{N}}_{\text{2}}}{\text{Cl}}^{-}}\stackrel{\text{CuCN}}{\to }\underset{\text{(Y)}}{{\text{C}}_{\text{6}}{\text{H}}_{\text{5}}\text{CN}}\underset{\text{Boil}}{\overset{{\text{H}}^{\text{+}}{\text{/H}}_{\text{2}}{\text{O}}_{}}{\to }}\underset{\text{Benzamide}\text{(Z)}}{{\text{C}}_{\text{6}}{\text{H}}_{\text{5}}{\text{CONH}}_{\text{2}}}$$