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Question: The number of moles of \(KMnO_{4}\)reduced by one mole of KI in alkaline medium is....

The number of moles of KMnO4KMnO_{4}reduced by one mole of KI in alkaline medium is.

A

1/5

B

2

C

3/2

D

4

Answer

2

Explanation

Solution

2KMnO4+H2O+KI→2MnO2+2KOH+KlO32KMnO_{4} + H_{2}O + KI \rightarrow 2MnO_{2} + 2KOH + KlO_{3}

One mole of KI reduces 2 moles of KMnO4KMnO_{4}