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Redox Reactions: Balancing redox MCQ

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Balancing redoxMediumQuestion 700006

Question

Which oxidant is used in acidic medium for oxidising Fe²⁺ to Fe³⁺ in volumetric analysis?
  1. A
    KMnO₄
    Correct
  2. B
    K₂Cr₂O₇ only
  3. C
    NaOH
  4. D
    FeCl₃

Correct answer

KMnO₄

Explanation

KMnO₄ (permanganate) is a strong oxidising agent used in acidic medium (dilute H₂SO₄) to oxidise Fe²⁺ to Fe³⁺. It is self-indicating (pink → colourless).

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