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NEET2019Chemistryd and f Block ElementsActual

When neutral or faintly alkaline KMnO ₄ is treated with potassium iodide, iodide ion is converted into ' X '. ' X ' is

Options

  1. AI ₂
  2. BIO ₄⁻
  3. CIO ₃⁻
  4. DIO ⁻

Correct answer

C. IO ₃⁻

Step-by-step solution

When neutral or faintly alkaline KMnO ₄ is treated with potassium iodide, KMnO ₄ is converted into MnO ₂ while iodide ( I ⁻ ) ion is converted inot IO ₃⁻ (iodate). The reaction takes place as follows:

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