First slide

Hydrogen Peroxide

Question

$(I) H_{2} O_{2} + O_{3} ⟶ H_{2} O + 2 O_{2}$
$(II) H_{2} O_{2} + {Ag}_{2} O ⟶ 2 Ag + H_{2} O + O_{2}$
Role of hydrogen peroxide in the above reactions is respectively

Moderate

A

Oxidizing in (I) and reducing in (II)
B

reducing in (I) and Oxidizing in (II)
C

reducing in (I) and (II)
D

Oxidizing in (I) and (II)

Solution

Increase in oxidation state (reducing agent)
$H_{2} O_{2}$ acts as reducing agent in all those reactions in which $O_{2}$ is evolved.

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