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JEE · NEET Previous Year Question

$Which of the following sets of functional groups is meta-directing group?$

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

A $- NO_{2}, - NH_{2}, - COOH, - COOR$
B $- NO_{2}, - CHO, - SO_{3} H, - COR$
C $- CN, - CHO, - NHCOCH_{3}, - COOR$
D $- CN, - NH_{2}, - NHR, - OCH_{3}$

Correct answer: B

Solution

(b) Meta-directing groups are electron withdrawing groups : - NO_{2}, CHO, - SO_{3} H, - COR

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