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KVPY2015ChemistryRedox Reactions

In alkaline medium, the reaction of hydrogen peroxide with potassium permanganate produces a compound in which the oxidation state of Mn is

Options

  1. A0
  2. B+2
  3. C+3
  4. D+4

Correct answer

D. +4

Step-by-step solution

2 MnO ₄⁻( aq )+3 H ₂ O ₂( aq ) 2 MnO ₂( ~s )+2 H ₂ O ( l )+3 O ₂( ~g )+2 OH ⁻ _ ( aq ) Oxidation state of Mn in MnO ₂ is +4 .

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