JEE Main 2022 · 26 Jul · Shift 2, Chemistry question 77

Order.

1. $\mathrm{HNO_2}$ diazotises $\mathrm{NH_2}$.
2. KI puts I in its place (4-iodonitrobenzene).
3. Fe/$\mathrm{H^+}$ reduces $\mathrm{NO_2}$ to $\mathrm{NH_2}$.
4. $\mathrm{HNO_2}$ diazotises again.
5. Warm water gives the OH: 4-iodophenol.

(B)