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3
Half-Reactions
The
overall reaction is split into two half-reactions, one involving oxidation and one reduction.
8H+ + MnO4 +
5Fe2+ Mn2+ + 5Fe3+ + 4H2O
Reduction:
8H+ + MnO4 + 5e Mn2+ + 4H2O
Oxidation: 5Fe2+
5Fe3+ + 5e