1.

In acidic medium, KMnO_(4) oxidises FeSO_(4) solution. Which of the following statements is correct?

Answer»

10 ml of 1 N `KMnO_4` solution oxidises 10 ml of 5 N `FeSO_4` solution
10mlof1M`KMnO_4`solutionoxidises 10 ml of 5M `FeSO_4` solution
10 ml of 1M `KMnO_4` solution oxidises 10 ml of 1 M `FeSO_4` solution
10 ml of 1 N `KMnO_4` solution oxidises 10 ml of 0.1 M `FeSO_4` solution.

Solution :`2KMnO_(4)+8H_(2)SO_(4)+10FeSO_(4)RARR K_(2)SO_(4)+2MnSO_(4)+5Fe_(2)(SO_(4))_(3)+8H_(2)O`
One mole of `KMnO_(4)` oxidises five moles of `FeSO_(4)` i.e. 1 M `KMnO_(4)` can oxidise equal amount of 5M `FeSO_(4)`.


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