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in Chemistry by (69.2k points)

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases H2O2 acts as a reducing agent in acid medium?

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Best answer

Correct option: (a)

Explanation:

H2O2 acts as a reducing agent only in presence of strong oxidising agents (i.e., MnO4 –) in acidic as well as alkaline medium.

2KMnO4 + 3H2SO4 + 5H2O2 → K2SO+ 2MnSO4 + 8H2O + 5O2

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