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In the given chemical reaction, colors of the Fe2+ and Fe3+ ions are respectively: 5Fe2+ + MnO4− + 8H+ → Mn2+ + 4H2O + 5Fe3+

1. Yellow, Orange
2. Yellow, Green
3. Green, Orange
4. Green, Yellow

Correct answer: Green, Yellow

Solution

Fe2+ ion in solution is pale green and Fe3+ is yellow (yellow-brown). Taken respectively, the colours are Green, Yellow.

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