sandmeyer reaction

Question

Sandmeyer reaction converts:

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The **Sandmeyer Reaction** is a versatile route for synthesizing aryl halides from primary aromatic amines.
1. **Diazotization**: $Ar-NH_2 + NaNO_2 + 2HCl \xrightarrow{0-5^\circ C} Ar-N_2^+Cl^- + NaCl + 2H_2O$
2. **Sandmeyer Step**: The benzene diazonium chloride is treated with a **Copper(I) salt** solution.
- $Ar-N_2^+Cl^- \xrightarrow{CuCl/HCl} Ar-Cl + N_2$
- $Ar-N_2^+Cl^- \xrightarrow{CuBr/HBr} Ar-Br + N_2$
- Note: $Ar-I$ is prepared simply by shaking with $KI$, without the need for a Copper(I) salt.

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More sandmeyer reaction Practice Questions

Sandmeyer reaction converts anilines to aryl bromides via intermediate: