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Equal volumes of 1M each of KMnO4 & K2Cr2O7 are used to oxidise Fe(2) solution in acidic medium. The amount of Fe oxidised will be (a) More with KMnO4(b) More with K2Cr2O7(c) Equal with both oxidising agents

Equal volumes of 1M each of KMnO4 & K2Cr2O7 are used to oxidise Fe(2) solution in acidic medium. The amount of Fe oxidised will be (a) More with KMnO4(b) More with K2Cr2O7(c) Equal with both oxidising agents

Grade:11

2 Answers

Sohail Shakil
19 Points
6 years ago
Equal volumes of 1M each of KMnO4 & K2Cr2O7 are used to oxidise Fe(2) solution in acidic medium. The amount of Fe oxidised will be Answer - B) More with K2cr2o7
Prabhat Parashar
14 Points
5 years ago
The 'n' factor of KMnO4 is 5 while that of K2Cr2O7 is 6. So for the same number of moles, K2Cr2O7 will have greater equivalents than KMnO4.
Hence, {b} is correct that is, more with K2Cr2O7.

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