JEE Main 25 Feb 2021 Shift 1 Solved Paper

Oxidation involves increase in oxidation number and reduction involves decrease in oxidation number.
2I−+2H++H2

1

O

2⟶

1

I

2+2

+1

H

2

−2

O

2
In this reaction, H2O2 oxidises I−to I2 and itself gets reduced to H2O, so the reaction depicts oxidising nature of H2O2. While in other reactions H2O2 does not oxidise KlO4,I2 and Cl2.