Question:
Which reaction is suitable for the preparation of $α$-chloroacetic acid?
Which reaction is suitable for the preparation of $α$-chloroacetic acid?
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Which reaction is suitable for the preparation of $α$-chloroacetic acid?
Updated On: Apr 15, 2026
- Hell-Volhard Zelinsky reaction
- Nef reaction
- Stephen's reaction
- Perkin condensation
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The Correct Option is A
Solution and Explanation
Step 1: Target Compound
$\alpha$-chloroacetic acid ($CH_2ClCOOH$) is a carboxylic acid where a chlorine atom is substituted at the alpha-carbon.
Step 2: Identification of HVZ Reaction
The Hell-Volhard-Zelinsky (HVZ) reaction involves the halogenation of carboxylic acids at the $\alpha$-position using $Cl_2$ or $Br_2$ in the presence of red phosphorus.
Step 3: Reaction Mechanism
$CH_3COOH \xrightarrow{Cl_2 / \text{Red P}} CH_2ClCOOH$.
Step 4: Conclusion
Therefore, the HVZ reaction is the suitable method.
Final Answer: (A)
$\alpha$-chloroacetic acid ($CH_2ClCOOH$) is a carboxylic acid where a chlorine atom is substituted at the alpha-carbon.
Step 2: Identification of HVZ Reaction
The Hell-Volhard-Zelinsky (HVZ) reaction involves the halogenation of carboxylic acids at the $\alpha$-position using $Cl_2$ or $Br_2$ in the presence of red phosphorus.
Step 3: Reaction Mechanism
$CH_3COOH \xrightarrow{Cl_2 / \text{Red P}} CH_2ClCOOH$.
Step 4: Conclusion
Therefore, the HVZ reaction is the suitable method.
Final Answer: (A)
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