First slide

Hydrogen Peroxide

Question

In which of the following reactions, H₂O₂ acts as oxidising agent ?

Easy

A

Cl₂ + H₂O₂ → 2HCl + O₂
B

Ag₂O + H₂O₂ → 2Ag + H₂O + O₂
C

2NaOH + H₂O₂ → Na₂O₂ + 2H₂O
D

KNO₂ + H₂O₂ → KNO₃ + H₂O

Solution

R.A- Reducing Agent

$\large \mathop {2NaOH}\limits^{ - 2} \; + \;\mathop {{H_2}{O_2}}\limits^{ - 1} \; \to \;\mathop {N{a_2}{O_2}}\limits^{ - 1} \; + \;\mathop {2{H_2}O}\limits^{ - 2} \;$

It is not a red-ox-rxn
It is a simple acid-base reactions

O.A -oxidising agent
In 4^threaction H₂O₂ acts as oxidising agent (O.A)

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