In the following reaction,the structure of th | vedclass

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(B) The reaction is the nitration of $N$-phenylbenzamide (acetanilide derivative). In $N$-phenylbenzamide,the $-NH-CO-C_6H_5$ group is an ortho/para-d

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(B) The reaction is the nitration of $N$-phenylbenzamide (acetanilide derivative). In $N$-phenylbenzamide,the $-NH-CO-C_6H_5$ group is an ortho/para-directing group due to the lone pair on the nitrogen atom,which can participate in resonance with the benzene ring. However,the bulky benzoyl group causes steric hindrance at the ortho position. Therefore,the para-substitution is favored,leading to the formation of $N$-($4$-nitrophenyl)benzamide as the major product.

In the following reaction,the structure of the major product '$X$' is

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