Problem: The final step in the hydration of an alkyne under both acidic and basic conditions is the tautomerization of an enol intermediate to give the corresponding carbonyl. Provide an arrow-pushing mechanism for the tautomerization under acidic conditions. 

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The final step in the hydration of an alkyne under both acidic and basic conditions is the tautomerization of an enol intermediate to give the corresponding carbonyl. Provide an arrow-pushing mechanism for the tautomerization under acidic conditions. 

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Our tutors have indicated that to solve this problem you will need to apply the Tautomerization concept. You can view video lessons to learn Tautomerization Or if you need more Tautomerization practice, you can also practice Tautomerization practice problems .

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