Question

11 moles of FeSO4 are treated with acidic KMnO solution containing its 1 mole and resulting
solution is further treated with acidic K Cr2O solution as a result remaining FeSO, is completely
oxidised. Find out minimum number of moles of K Cr2O7 present in the solution​

Answer 1

Answer:

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Explanation:

5 moles of ferrous sulphate will get oxidized to ferric sulphate with 1 mole of KMnO4 as there is acidic medium.

The left moles of ferrous sulphate will also get oxidized by K2Cr2O7. The number of moles of K2Cr2O7 required for the left of the reaction is 1 mole.