Question:
The reaction of benzene diazonium chloride with Cu and HCl is known as:
The reaction of benzene diazonium chloride with Cu and HCl is known as:
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The Sandmeyer reaction is widely used in aromatic halogenation, particularly for substituting diazonium groups.
Updated On: Jun 5, 2025
- Sandmeyer reaction
- Etard reaction
- Finkelstein reaction
- Gattermann reaction
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The Correct Option is A
Solution and Explanation
Step 1: Understanding Sandmeyer Reaction
The Sandmeyer reaction is used to substitute diazonium groups with halogens, facilitated by CuCl or CuBr.
Reaction Mechanism
\[
C_6H_5N_2^+Cl^- + CuCl \longrightarrow C_6H_5Cl + N_2
\]
This reaction replaces the diazonium group with chlorine, forming chlorobenzene.
Conclusion
Thus, the correct answer is:
\[
\text{Sandmeyer reaction}
\]
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