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Q.

Regarding hydration of ethyne the correct statements are

A) It involves tautomerism

B) Tautomers are functional isomers

C) In general keto form is more stable than enol form

D) First step is an example of a nucleophilic addition

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a

A, B only

b

All

c

A, B, C only

d

A, C, D only

answer is A.

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Detailed Solution

Tautomers are functional isomers 

Keto form in general is more stable

Addition of water to alkyne in presence of HgSO4 is nucleophilic addition

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Regarding hydration of ethyne the correct statements areA) It involves tautomerismB) Tautomers are functional isomersC) In general keto form is more stable than enol formD) First step is an example of a nucleophilic addition