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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:
A
`2MnO_4^(-) +5S^(2-) + 16 H^(+) to 2Mn^(2+) + 8H_2O + 5S`
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