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The number of moles of KMnO(4) that will...

The number of moles of `KMnO_(4)` that will be needed to react completely with one mole of ferrous oxalate in acidic solution is:

A

`3//5 `

B

`2//5`

C

`4//5`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
A
`underset(3M)(3MnO_4^(-)) + underset(5M)(5(Fe^(2+) + C_2O_4^(2-))) + 24H^(+) to 3Mn^(2+) + 5Fe^(3+) + 10 CO_2 + 12 H_2O`
Thus 5M of `FeC_2O_4` is oxidised by 3M of `KMnO_4` then 1M of `FeC_2O_4` is oxidised by 3/5 mole of `KMnO_4`.
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