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JEE Main20211 Sep 2021Evening ShiftChemistryd and f Block ElementsActual

In the given chemical reaction, colors of the Fe 2 + and Fe 3 + ions, are respectively : 5 Fe 2 + + MnO 4 - + 8 H + → Mn 2 + + 4 H 2 O + 5 Fe 3 +

Options

  1. AYellow, Green
  2. BYellow, Orange
  3. CGreen, Orange
  4. DGreen, Yellow

Correct answer

D. Green, Yellow

Step-by-step solution

Configuration Example Colour 3 d 6 Fe + 2 Green 3 d 5 Fe + 3 Yellow

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