Q. Which of the following has most acidic hydrogen?
A) 3-hexanone
B) 2, 4-hexanedione
C) 2, 4-hexanedione
D) 2, 3-hexanedione
Explanation
(b)
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When methylene group $( - CH_{2})$ is attached with two electron withdrawing groups $(like,\ - CHO, > C = O, - COOH, - CN, - X,\ etc)$, its acidity will increase due to $–I$ effect of the electron withdrawing groups.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.