Predict the correct intermediate and product in the following reaction
$H_{3} C - C \equiv C H \overset{H_{2} O, H_{2} S O_{4}}{\to} \underset{(X)}{i n t e r m e d i a t e} \to \underset{(Y)}{p r o d u c t}$

Question

Predict the correct intermediate and product in the following reaction H 3 C - C ≡ C H → H 2 O , H 2 S O 4 i n t e r m e d i a t e ( X ) → p r o d u c t ( Y )

TestHub · Accepted Answer

Here first addition reaction occurs according to Markonikov reaction than tautomerisation occurs to give acetone as follows
$H_{3} C - C \equiv CH \overset{H_{2} O}{\to} {CH}_{3} \underset{OH}{\underset{|}{- C =}} {CH}_{2} \overset{Tautomerisation}{\to} {CH}_{3} - \overset{O}{\overset{| |}{C}} - {CH}_{3} (Y)$

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