What is the major organic product of the foll | vedclass

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(A) The reaction of a terminal alkyne with water in the presence of $Hg^{2+}$ and $H_2SO_4$ is an oxymercuration-demercuration type hydration reaction

Vedclass · Accepted Answer

Acetophenone $(Ph-CO-CH_3)$

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(A) The reaction of a terminal alkyne with water in the presence of $Hg^{2+}$ and $H_2SO_4$ is an oxymercuration-demercuration type hydration reaction.For phenylacetylene $(Ph-C \equiv CH)$,the hydration follows Markovnikov's rule.The initial product is an enol: $Ph-C(OH)=CH_2$.Enols are unstable and undergo tautomerization to form the more stable ketone.$Ph-C(OH)=CH_2 \rightleftharpoons Ph-CO-CH_3$ (Acetophenone).Therefore,the major organic product is acetophenone.

What is the major organic product of the following reaction?
$Ph-C \equiv CH \xrightarrow[H_2SO_4]{Hg^{2+}, H_2O} ?$

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What is the major organic product of the following reaction?$Ph-C \equiv CH \xrightarrow[H_2SO_4]{Hg^{2+}, H_2O} ?$