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JEE Main202127 Aug 2021Evening ShiftChemistryd and f Block ElementsActual

Potassium permanganate on heating at 513 K gives a product which is :

Options

  1. Aparamagnetic and colourless
  2. Bdiamagnetic and colourless
  3. Cdiamagnetic and green
  4. Dparamagnetic and green

Correct answer

D. paramagnetic and green

Step-by-step solution

2 KMnO 4 → ∆ 513   K           K 2 MnO 4 + MnO 2 ( s ) + O 2   Purple                       Green      ( Diamagnetic )          ( Paramagnetic )

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