How many moles of KMnO(4) are needed to ...

How many moles of `KMnO_(4)` are needed to oxidise a mixture of 1 mole of each `FeSO_(4) & FeC_(2)O_(4)` in acidic medium `:`

A

`(4)/(5)`

B

`(5)/(4)`

C

`(3)/(4)`

D

`(5)/(3)`

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The correct Answer is:

a

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