MCQ
Following is a confirmatory test for aromatic primary amines. Identify reagent $(A)$ and $(B)$
- A$\mathrm{A}=\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$
- B$\mathrm{A}=\mathrm{NaNO}_2+\mathrm{HCl}, 0-5^{\circ} \mathrm{C}$
- C$\mathrm{A}=\mathrm{NaNO}_2+\mathrm{HCl}, 0-5^{\circ} \mathrm{C}$
- ✓$\mathrm{A}=\mathrm{NaNO}_2+\mathrm{HCl}, 0-5^{\circ} \mathrm{C}$
