What is the name of reaction involving replacement of diazonium group by chloride using cuprous (I) salt?

What is the name of reaction involving replacement of diazonium group by chloride using cuprous (I) salt?
  1. Wolff-Kishner reduction
  2. Friedel Craft's reaction
  3. Sandmeyer's reaction
  4. Balz Schiemann reaction

Solution

Sandmeyer's reaction $\mathrm{Ar} \stackrel{+}{\mathrm{N}}_{2} \overline{\mathrm{X}} \stackrel{\mathrm{CuCl} / \mathrm{HCl}}{\longrightarrow} \mathrm{Ar}-\mathrm{Cl}+\mathrm{N}_{2} \uparrow$

Asked in: MHT CET 2020 (19 Oct Shift 2)

Practice more Amines questions on Aicharya