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KMnO4 acts as an oxidising agent in alkaline medium. When alkaline KMnO4 is treated with KI, iodide ion is oxidised to
  • a)
    I2
  • b)
    IO-
  • c)
  • d)
Correct answer is option 'C'. Can you explain this answer?
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KMnO4 acts as an oxidising agent in alkaline medium. When alkaline KMn...
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KMnO4 acts as an oxidising agent in alkaline medium. When alkaline KMn...
KMnO4 should be a better oxidizing agent in acidic medium, than in alkaline medium, as per my knowledge. However, it oxidizes iodide (oxidation state = -1) to iodine (0) in acidic medium, whereas iodide (-1) to iodate (+5) in alkaline medium. The latter has a higher change in oxidation number, which we would have instead expected for the former.
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KMnO4 acts as an oxidising agent in alkaline medium. When alkaline KMnO4 is treated with KI, iodide ion is oxidised toa)I2b)IO-c)d)Correct answer is option 'C'. Can you explain this answer?
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