Question

`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`

Answer 1

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