Advertisements
Advertisements
Question
What is the action of KMnO4 in an acidic medium on the following?
H2S
Write a balanced equation.
Very Short Answer
Advertisements
Solution
When KMnO4 reacts with H2S in an acidic medium, it oxidises hydrogen sulphide to sulphur, and itself gets reduced to Mn2+, forming a yellow precipitate of sulphur.
\[\ce{2MnO^-_4 + 5H2S + 6H+ -> 2Mn^{2+} + 5S(\downarrow) + 8H2O}\]
shaalaa.com
Is there an error in this question or solution?
