Chemistry - Carbonyl compounds Question with Solution | TestHub

Here only chlorobenzene does not react alcoholic KCN as it cannot show nucleophilic substitution easily. Rest other compound will react with it
A.$\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{C}\mathrm{l}\stackrel{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{O}\mathrm{H}+\mathrm{K}\mathrm{C}\mathrm{N}}{\to }\mathrm{C}{\mathrm{H}}_3\mathrm{C}{\mathrm{H}}_2\mathrm{C}\mathrm{N}+\mathrm{K}\mathrm{C}\mathrm{l}$
B.$\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{C}\mathrm{l}\stackrel{{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{O}\mathrm{H}+\mathrm{K}\mathrm{C}\mathrm{N}}{\to }\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{C}\mathrm{N}+\mathrm{K}\mathrm{C}\mathrm{l}$
D.