how many moles of acidified feso4 can be completely oxidised by one mole of kmno4
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Answer: -
5 moles of acidified FeSO₄ can be completely oxidized by one mole of KMnO₄
Explanation: -
KMnO₄ is an oxidizing agent. It will oxidize the FeSO₄.
In acidic medium there would be H⁺.
The products will be Mn²⁺ , H₂O and Fe³⁺.
The balanced ionic equation for the reaction of acidified FeSO₄ with KMnO₄ is
MnO₄⁻ + 8 H⁺ + 5 Fe²⁺ → Mn²⁺ + 4H₂O + 5 Fe³⁺
From the balanced ionic equation we see that 5 moles of Fe²⁺ can be oxidized by 1 mole of MnO₄⁻ .
Since each 1 mole of MnO₄⁻is obtained from 1 mole of KMnO₄ and 1 mole of Fe²⁺ is obtained from 1 mole of FeSO₄,
5 moles of acidified FeSO₄ can be completely oxidized by one mole of KMnO₄
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