STANDARDChemistry-Redox Reactions
STANDARD Chemistry Oxidation States MCQ Question
Type: MCQ-numerical-Medium-Class 11
KMnO₄ acts as an oxidising agent in acidic medium. The number of moles of KMnO₄ 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
Correct Answer
Option A
Detailed Explanation
In acidic medium, KMnO₄ oxidizes sulphide ions to sulphate ions. The balanced reaction shows that 2/5 moles of KMnO₄ are required per mole of sulphide ions.
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