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NEETChemistryRedox Reactions

Which balanced chemical equation represents the reaction of permanganate ion (MnO 4 – ) with sulfur dioxide gas in acidic medium to produce Mn 2+ and hydrogen sulfate ion?

Options

  1. A2MnO 4 – + H + + 5SO 2 + 2H 2 O → 2Mn 2+ + 3HSO 4 –
  2. B4MnO 4 – + 6SO 2 + 4H 2 O → 4Mn 2+ + 6HSO 4 –
  3. CMnO 4 – + SO 2 + H 2 O → Mn 2+ + HSO 4 –
  4. D3MnO 4 – + 2SO 2 + 3H 2 O → 3Mn 2+ + 2HSO 4 –

Correct answer

A. 2MnO 4 – + H + + 5SO 2 + 2H 2 O → 2Mn 2+ + 3HSO 4 –

Step-by-step solution

Correct Option is : (A) 2MnO 4 – + H + + 5SO 2 + 2H 2 O → 2Mn 2+ + 3HSO 4 –

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