Question:

The product formed in the given reaction is: 
 


 

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Grignard reagents react with water or deuterium oxide to form hydrocarbons or deuterated hydrocarbons.
Updated On: Jun 26, 2026
  • \(\text{C}_6\text{H}_5\text{OD}\)
  • \(\text{C}_6\text{H}_5\text{OH}\)
  • \(\text{C}_6\text{H}_6\)
  • \(\text{C}_6\text{H}_5\text{D}\)
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The Correct Option is D

Solution and Explanation

Step 1: Recognize the type of reaction.
The reaction is the deuterium exchange of a Grignard reagent with D\(_2\)O.

Step 2: Reaction mechanism.
\[ \text{C}_6\text{H}_5\text{MgBr} + \text{D}_2\text{O} \rightarrow \text{C}_6\text{H}_5\text{D} + \text{Mg(OD)Br} \]

Step 3: Product formed.
The phenyl group abstracts D from D\(_2\)O, giving deuterated benzene (C\(_6\)H\(_5\)D).

Step 4: Conclusion.
\[ \boxed{\text{C}_6\text{H}_5\text{D}} \]
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