In which of the following reactions H2O2 acts as a reducing agent? (a) H2O2 + 2H+ + 2e– → 2H2O (b) H2O2 – 2e– → O2 + 2H+ (c) H2O2 + 2e– → 2OH– (d) H2O2 + 2OH–

Engineering

Chemistry

Hydrogen Peroxide Properties and Preparation

Balancing of Redox Reaction

Oxidation Number and Calculation

Question

In which of the following reactions H₂O₂ acts as a reducing agent?

(a) H₂O₂ + 2H⁺ + 2e^– → 2H₂O

(b) H₂O₂ – 2e^– → O₂ + 2H⁺

(d) H₂O₂ + 2OH^– – 2e^– → O₂ + 2H₂O

(a), (c)

(a), (b)

(b), (d)

(c), (d)

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H₂O₂ – 2e^– → O₂ + 2H⁺

H₂O₂ + 2OH^– – 2e^– → O₂ + 2H₂O