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Question

The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate in acidic medium is:

A
25
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B
35
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C
45
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D
1
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Solution

The correct option is C 35
The balanced chemical reaction is as shown below:

3MnO4+5FeC2O4+24H+3Mn2++5Fe3++10CO2+12H2O

3 moles of KMnO4 react with 5 moles of FeC2O4.

Hence, the number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate in acidic medium is 35.

Hence, the correct option is B

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