Q. Which of the following compound a would have the smallest value of $pK_{a}$?

A) $CHF_{2}CH_{2}CH_{2}COOH$
B) $CH_{3}CH_{2}CF_{2}COOH$
C) $CH_{2}FCHFCH_{2}COOH$
D) $CH_{3}CF_{2}CH_{2}COOH$
Explanation

(b)
Out of all alternates
$pK_{a}$ is smallest for $CH_{3}CH_{2}CF_{2}COOH$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.