Question

Iodine reacts with concentrated ${HNO_3}$ to yield $Y$ along with other products. The oxidation state of iodine in $Y$, is :

• A. 5
• B. 3
• C. 1
• D. 7

Answer 1

Answer: (A)

5

Answer 2

${I_2 + 10HNO_3 -> 2HIO_3 + 10NO_2 + 4H_2O}$
In ${HIO3}$ oxidation state of iodine is $+5$.