Organic Chemistry Basics Result Question 40

40. Which of the following, has the most acidic hydrogen?

(a) 3-hexanone

(b) 2, 4-hexanedione

(c) 2,5-hexanedione

(d) 2, 3-hexanedione

$(2000)$

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Answer:

Correct Answer: 40. ( b )

Solution:

A methylene $\left(-\mathrm{CH}_2-\right)$ with carbonyl on both side is highly acidic.

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