JEE Main Chemistry question

Which of the following directs an incoming electrophile predominantly to the *meta* position in electrophilic aromatic substitution?

(A)–OH
(B)–NH
(C)–NOCorrect
(D)–CH

Answer: (C)

Solution

–NO is strongly electron-withdrawing by both induction and resonance; it withdraws electron density most strongly from the *ortho*/*para* positions (destabilising the corresponding Wheland

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Question ID VK-142416