For the reaction :

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Question

For the reaction $MnO_4^- + 5Fe^{2+} + 8H^+ \rightarrow Mn^{2+} + 5Fe^{3+} + 4H_2O$:

Prashant Kotian · Accepted Answer

Correct answer: A,B,C,D. The balanced equation and -factors are derived from O.S. changes (: +7 to +2; : +2 to +3). In any balanced redox reaction, the equivalents of oxidant and reductant must be equal.

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