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

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Q. In the given chemical reaction, colors of the $Fe ^{2+}$ and $Fe ^{3+}$ ions, are respectively:
$5 Fe ^{2+}+ MnO _{4}^{-}+8 H ^{+} \rightarrow Mn ^{2+}+4 H _{2} O +5 Fe ^{3+}$

JEE MainJEE Main 2021The d-and f-Block Elements

Solution:

Colour of $Fe ^{2+}$ is observed green and $Fe ^{3+}$ is yellow