• # question_answer The major product obtained when $B{{r}_{2}}/Fe$ is treated with is [IIT-JEE Screening 2004] A) B) C) D)

The phenyl ring having H - N< group is activated while another one is deactivated due to $-\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,-$, so electrophilic aromatic bromination will occur at para position with respect to H - N< group inactivated ring.