In the given chemical reaction, colors of the Fe2+ and Fe3+ ions, are respectively :
5Fe2+ + MnO$_4^ -$ + 8H+ $\to$ Mn2+ + 4H2O + 5Fe3+
Solution
Colour of Fe<sup>2+</sup> is observed green and Fe<sup>3+</sup> is yellow.
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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