Medium MCQ +4 / -1 PYQ · JEE Mains 2022

Concentrated $\mathrm{HNO}_{3}$ reacts with Iodine to give :

  1. A HI, $\mathrm{NO}_{2}$ and $\mathrm{H}_{2} \mathrm{O}$
  2. B $\mathrm{HIO}_{2}, \mathrm{~N}_{2} \mathrm{O}$ and $\mathrm{H}_{2} \mathrm{O}$
  3. C $\mathrm{HIO}_{3}, \mathrm{NO}_{2}$ and $\mathrm{H}_{2} \mathrm{O}$ Correct answer
  4. D $\mathrm{HIO}_{4}, \mathrm{NO}_{2}$ and $\mathrm{H}_{2} \mathrm{O}$

Solution

$\mathrm{I}_2+10 \mathrm{HNO}_{3(\mathrm{conc})} \to 2 \mathrm{HIO}_3+10 \mathrm{NO}_2+4 \mathrm{H}_2 \mathrm{O}$

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 17: Halogens

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