Q. Identify correct statement/s : (A) $-OCH_3$ and $-NHCOCH_3$ are activating group. (B) -CN and -OH are meta directing group. (C) -CN and $-SO_3H$ are meta directing group. (D) Activating groups act as ortho - and para directing groups. (E) Halides are activating groups. Choose the correct answer from the options given below :
A) (A) only
B) (A), (B) and (E) only
C) (A) and (C) only
D) (A), (C) and (D) only
Explanation
[Solution by Dr. Abubacker] (A) true. (B) false: $-OH$ is an ortho/para director. (C) true: $-CN$ and $-SO_3H$ are deactivating, meta-directing. (D) true. (E) false: halogens are deactivating (though ortho/para directing). So (A), (C), (D). Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.