1.

Which of the following statements is correct ?A. `-NO_2` group activates the benzene ring for attack of electrophile at ortho and para positionB. `-NH_2` group activates the benzene ring for attack of electrophile at ortho and para positionC. Both `-NO_2` group as well as `-NH_2` group activate the benene ring for attack of electrophile at ortho and para position.D. Neither `-NO_2` group nor `-NH_2` group activate the benzene ring the attack of electrophile at ortho and para position.

Answer» Correct Answer - B


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