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(a) $H_2O_2 + O_3 \rightarrow H_2O + 2O_2$
(b) $H_2O_2 + Ag_2O \rightarrow 2Ag + H_2O + O_2$
Role of hydrogen peroxide in the above reactions is respectively
(b) $H_2O_2 + Ag_2O \rightarrow 2Ag + H_2O + O_2$
Role of hydrogen peroxide in the above reactions is respectively
A
Oxidizing in (a) and reducing in (b)
B
Reducing in (a) and oxidizing in (b)
C
Reducing in (a) and (b)
D
Oxidizing in (a) and (b)
Detailed Solution
In (a), $H_2O_2$ reduces $O_3$ to $O_2$ and is itself oxidised to $O_2$.
In (b), $H_2O_2$ reduces $Ag_2O$ to Ag and is itself oxidised to $O_2$.
So hydrogen peroxide acts as a reducing agent in both (a) and (b).
In (b), $H_2O_2$ reduces $Ag_2O$ to Ag and is itself oxidised to $O_2$.
So hydrogen peroxide acts as a reducing agent in both (a) and (b).