Goc Theory Part 8 Ques8
Question: Which of the following groups exhibits the strongest -M (negative mesomeric) effect?
Options:
A) -CHO
B) -COOH
C) $ -NO_2 $
D) -CN
Show Answer
Answer: c
Explanation:
A) Incorrect. -CHO has a -M effect, but it’s not the strongest among the options.
B) Incorrect. -COOH has a -M effect, but it’s not the strongest among the options.
C) Correct. $ -NO_2 $ exhibits the strongest -M effect among the given options due to its high electronegativity and multiple resonance structures.
D) Incorrect. -CN has a -M effect, but it’s not as strong as $ -NO_2 $ .
BETA
