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Q.
Which of the following compound will undergo tautomerism?
NTA AbhyasNTA Abhyas 2022
Solution:
This compound has $\alpha $ -H on saturated $\alpha $ -carbon atom so it can show tautomerism.
In rest other compounds there is no $\alpha $ -H-atom on saturated $\alpha $ -Carbon so no tautomerism is possible in them.