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Grade 12th passAIIMS MBBS

When SO2 is passed through acudified KMnO4 solution, solutions turns green due to reduction of?

Profile image of Riya
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
7 Years ago
  1. Acidified KMnO4 is a powerful oxidising agent.
  2. 2KMnO4+3H2SO4———-> K2SO4+2MnSO4+3H2O+5(O).
  3. This oxygen produced in the acidified KMnO4 oxidises SO2 to Sulphuric acid, as follows.
  4. SO2+H2O+(O)———->H2SO4.

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