Why sodium peroxide is used as an oxidising agent ?

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Solution

The substance that oxidises the other substances is called oxidising agent. In Sodium peroxide(Na₂O2) ,oxidation number of sodium is +1. It can not increases, so it can decrease its oxidation state from +1 to 0(zero).Decrease of oxidation number is reduction and the element which is undergoes reduction is called oxidising agent.It is a very strong oxidising agent.Also it is used as a bleaching agent.It bleaches by oxidising colored compounds to colorless compounds.

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Question 10

Hydrogen peroxide is .......

(a) an oxidising agent

(b) a reducing agent

(d) neither oxidising nor reducing agent

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