Q. The most acidic of the following is
A) $ClCH_{2}COOH$
B) $C_{6}H_{5}COOH$
C) $CD_{3}COOH$
D) $CH_{3}CH_{2}COOH$
Explanation
(a)
Any electron withdrawing group increases the acidity due to –I effect. The –I effect of chlorine is greater than phenyl group. Hence, $ClCH_{2}COOH$ is the most acidic compound among these.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.