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V ml solution of Fe^(2+) can be oxidise...

V ml solution of `Fe^(2+)` can be oxidised by 60 ml of `KMnO_4` in acidic medium. What will be the volume of `K_2Cr_2O_7` required to oxidise V ml of the same `Fe^(2+)` solution in an acidic medium ? Consider the molarity of `KMnO_4` and `K_2Cr_2O_7` to be the same.

A

50 ml

B

60 ml

C

72 ml

D

25 ml

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A
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