Aldehydes and Ketones - Result Question 25

25. The enol form of acetone, after treatment with $D _2 O$, gives

$(1999,2 M)$

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Answer:

Correct Answer: 25. (b)

Solution:

<img src=“https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/0451b8da-22c3-41b5-e084-6c842b6b4e00/public"width="400">

All $\alpha-H$ will be replaced by deuterium.