JEE Chemistry · Medium

Redox Reactions: Equivalent concept MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Equivalent conceptMediumQuestion 700008

Question

In a redox reaction, 1 mole of KMnO₄ in acidic medium reacts with Fe²⁺. The n-factor of KMnO₄ is:
  1. A
    5
    Correct
  2. B
    1
  3. C
    3
  4. D
    7

Correct answer

5

Explanation

MnO₄⁻ (Mn = +7) → Mn²⁺ (Mn = +2). Change in oxidation state = 5. n-factor = 5 per mole of KMnO₄.