Q.
The correct order of increasing acid strength of the compounds
(A) $CH_{3}COOH$
(B) $MeOCH_{2}COOH$
(C) $CF_{3}COOH$
(D)
is
A) B < D < A < C
B) D < A < C < B
C) D < A < B < C
D) A < D < C < B
Explanation
(c)
[image:12_image657.emf]
$- I\$effect increases acidity.
$+ I$ effect decreases acidity.
$- CF_{3}$ exerting more-I effect than$\ Meo -$
$Me_{2}CH -$ exerting more +I effect than $–CH_{3}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.