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Hydration of propyne using dilute in the presence of heavy metal catalyst yields which stable organiHydrocarbons Chemistry Question

Question

Hydration of propyne using dilute $H_2SO_4$ in the presence of heavy metal catalyst $HgSO_4$ yields which stable organic product?

Answer: A

💡 Solution & Explanation

Hydration of alkynes follows Markovnikov's rule. Propyne forms an intermediate enol (prop-1-en-2-ol) which rapidly tautomerizes into the much more stable keto form, acetone.

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