In aromatic electrophilic substitution reaction, cyano (—$\mathrm{C} \equiv \mathrm{N}$ ) group pres

Question

In aromatic electrophilic substitution reaction, cyano (—$\mathrm{C} \equiv \mathrm{N}$ ) group present in benzene ring is

Professor PC Thomas Classes · Answer

The cyano group is electron-withdrawing, hence deactivating and meta-directing in electrophilic aromatic substitution.