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Reduction half reaction for the reaction...

Reduction half reaction for the reaction : `Fe^(2+)+MnO_(4)^(-)toFe^(3+)+Mn^(2+)` is

A

1. `MnO_(4)^(-)+8H^(+)+5e^(-)toMn^(2+)+4H_(2)O`

B

2. `Fe^(2+)toFe^(3+)`

C

3. `MnO_(4)^(-)+Fe^(2+)toFe^(3+)+Mn^(2+)`

D

4. `MnO_(4)^(-)+5e^(-)toMn^(2+)+4(O)`.

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The correct Answer is:
A
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