# Iodine reacts with concentrated

Question:

Iodine reacts with concentrated $\mathrm{HNO}_{3}$ to yield $\mathrm{Y}$ along with other products. The oxidation state of iodine in $\mathrm{Y}$, is :-

1. 5

2. 3

3. 1

4. 7

Correct Option: 1

Solution:

$\mathrm{I}_{2}+10 \mathrm{HNO}_{3} \longrightarrow 2 \mathrm{HIO}_{3}+10 \mathrm{NO}_{2}+4 \mathrm{H}_{2} \mathrm{O}$