When propyne is treated with dilute sulphuric acid in presence of mercury (II) sulphate, the major product is:

acetone

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propene

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propanol

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propanal

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Solution

The correct option is A acetone
When propyne is treated with dilute sulphuric acid in presence of mercury II sulphate, the major product is acetone. A molecule of water is added to $C = C$ double bond to from an enol which tautomerizes to keto form.

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