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Question

How many moles of KMnO4 are reduced by 1 mole of ferrous oxalte in acidic medium?

A
15
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B
53
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C
13
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D
35
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Solution

The correct option is D 35
The balanced chemical equation of the reaction is-

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

Therefore 3 mole of KMnO4 will be required

3 mole of KMnO4=5 moles of FeC2O4

35 mole of KMnO4= 1 moles of FeC2o4

For 1 mole FeC2O4,35KMNO4 is required

So, the correct option is D

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