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NEET2005ChemistryRedox ReactionsActual

The number of moles of KMnO ₄ reduced by one mole of KI is alkaline medium is:

Options

  1. Aone
  2. Btwo
  3. Cfive
  4. Done fifth

Correct answer

B. two

Step-by-step solution

In alkaline medium: Related Theory In acidic medium: MnO ₄⁻+8 H ⁺+5 e⁻ Mn ₂+4 H ₂ O In basic medium: MnO ₄⁻+e⁻ MnO ₄²⁻ In neutral medium: MnO ₄⁻+4 H ⁺+3 e⁻ MnO ₂+2 H ₂ O

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