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What gas is quantitatively liberated when ethylmagnesium bromide () reacts with heavy water ()? — Hydrocarbons Chemistry Question

Question

What gas is quantitatively liberated when ethylmagnesium bromide ($C_2H_5MgBr$) reacts with heavy water ($D_2O$)?

Answer: D

💡 Solution & Explanation

Grignard reagents act as strong bases and extract acidic protons (or deuterons). Ethylmagnesium bromide abstracts $D^+$ from $D_2O$ to yield $C_2H_5D$.

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