The all enol tautomers for each of the ketones in problem 24 have to be drawn. Concept Introduction: Acid Catalysed addition of water: When water is added to alkyne in the presence of an acid, the product formed will be an enol. Enol contains a double bond and an OH group. The OH group is bonded to one of the sp 2 carbons. If a carbonyl group is bonded to two alkyl groups, it is called as a ketone. The enol formed in the acid catalysed addition of water will be easily converted into a ketone. Conversion of terminal alkynes into enol: If we want to convert terminal alkyne into an enol, the presence of mercuric ion as a catalyst should be needed and the catalyst will increase the rate of the reaction .

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Chapter 6.14, Problem 26P

Interpretation Introduction

Interpretation:

The all enol tautomers for each of the ketones in problem 24 have to be drawn.

Concept Introduction:

Acid Catalysed addition of water: When water is added to alkyne in the presence of an acid, the product formed will be an enol. Enol contains a double bond and an OH group. The OH group is bonded to one of the sp2 carbons.

If a carbonyl group is bonded to two alkyl groups, it is called as a ketone. The enol formed in the acid catalysed addition of water will be easily converted into a ketone.

Conversion of terminal alkynes into enol: If we want to convert terminal alkyne into an enol, the presence of mercuric ion as a catalyst should be needed and the catalyst will increase the rate of the reaction.

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