Question

Which of the following, has the most acidic hydrogen?

• A. 3-hexanone
• B. 2, 4-hexanedione
• C. 2, 5-hexanedione
• D. 2, 3-hexanedione

Answer 1

Answer: (B)

A methylene $(-C{H}_2-)$ with carbonyl on both side is highly
acidic.