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KMnO(4) acts as an oxidising agent in ac...

`KMnO_(4)` acts as an oxidising agent in acidic medium. The number of moles of `KMnO_(4)` that will be needed to react with one mole of sulphide ions in acidic solution is

A

`2//5`

B

`3//5`

C

`4//5`

D

`1//5`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) It is the correct answer.
`2//3KMnO_(4)+H_(2)S to 2//3KOH+2//3MnO_(2)+2//3H_(2)O+S`
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