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JEE Main 202228 JulyEvening Shift

Exam: JEE Main
Year: 2022
Date: 28 July
Shift: Evening Shift
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

JEE Main 2022 · 28 July · Evening Shift · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Concentrated HNO _ 3 reacts with Iodine to give

Concentrated

{HNO}_{3}

reacts with Iodine to give

Options

A $HI, {NO}_{2}$ and ${H}_{2}O$
B ${HIO}_{2}, {N}_{2}O$ and ${H}_{2}O$
C ${HIO}_{3}, {NO}_{2}$ and ${H}_{2}O$
D ${HIO}_{4}, {N}_{2}O$ and ${H}_{2}O$

Correct answer

C. ${HIO}_{3}, {NO}_{2}$ and ${H}_{2}O$

Step-by-step solution

Concentrated nitric acid is a strong oxidizing agent.
Concentrated nitric acid also oxidises non–metals and their compounds. Iodine is oxidised to iodic acid.
${I}_{2} + 10{HNO}_{3\left(conc\right)} ⇒ 2{HIO}_{3} + 10{NO}_{2} + 4{H}_{2}O$

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