Question

$\left(a\right)$ $H_{2}O_{2}+O_{3} \rightarrow H_{2}O+\text{2}\text{O}_{2}$
$\left(\right.b\left.\right)$ $H_{2}O_{2}+\text{A}\text{g}_{2}O \rightarrow \text{2Ag}+H_{2}O+O_{2}$
Role of hydrogen peroxide in the above reactions is respectively

• A. Reducing in $\left(\right.a\left.\right)$ and oxidizing in $\left(\right.b\left.\right)$
• B. Oxidizing in $\left(\right.a\left.\right)$ and reducing in $\left(\right.b\left.\right)$
• C. Reducing in $\left(\right.a\left.\right)$ and $\left(\right.b\left.\right)$
• D. Oxidizing in $\left(\right.a\left.\right)$ and $\left(\right.b\left.\right)$

Answer 1

Answer: (C)

In both these reactions hydrogen peroxide acts as a reducing agent, as $O_{3}$ and $Ag_{2}O$ are reduced.
$H_{2}O_{2}+O_{3} \rightarrow H_{2}O+\text{2}\text{O}_{2}$
$H_{2}O_{2}+\text{A}\text{g}_{2}O \rightarrow \text{2Ag}+H_{2}O+O_{2}$