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Fe2+ + MnO4- + Fe3+ + Mn2+ which of the elements is undergoing oxidation and which of the elements is the oxidizing agent?

2 answers

Oxidation is the loss of electrons.
Reduction is the gain of electrons.
The oxidizing agent is the one reduced.
Here are the hints:
Fe goes from 2+ to 3+.
Mn goes from 7+ on the left to 2+ on the right.
Fe
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