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+1 vote
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in Oxidation-Reduction Reactions by (49.4k points)

Identify oxidising agent and reducing agent in the following reactions :
H2O4 + O3 → H2O + 2O2
2Na2S2O3 + I2 → Na2S4O6 + 2Na I

1 Answer

+1 vote
by (48.1k points)
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Best answer

In a reaction

H2O2 is reduced to H2O and oxidised to oxygen. So, H2O2 acts as oxidising agent as well as reducing agent.
In a reaction

I2 acts as oxidising agent, which oxidise Na2S2O3 into Na2S4O6 and Na2S2O3 acts as reducing agent, which reduces I2 into NaI.

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