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JEE Chemistry · Easy

Redox Reactions: Disproportionation MCQ

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DisproportionationEasyQuestion 700004

Question

In the reaction 2H₂O₂ → 2H₂O + O₂, oxygen undergoes:
  1. A
    Disproportionation
    Correct
  2. B
    Oxidation only
  3. C
    Reduction only
  4. D
    No change

Correct answer

Disproportionation

Explanation

In H₂O₂, O is in −1 state. In H₂O it becomes −2 (reduced), and in O₂ it becomes 0 (oxidised). Same element both oxidised and reduced — disproportionation.

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