Chemistry - Redox Reactions Question with Solution | TestHub
ChemistryRedox ReactionsTitrationEasy2 minQB
ChemistryEasysingle choice
The number of moles of KMnO₄ that will be needed to react completely with one mole of sulphite ion in acidic solution is
Options:
Answer:
B
Solution:
SO₃²⁻ SO₄²⁻ loses 2 e⁻ per mole (S +4 +6). KMnO₄ accepts 5 e⁻ per mole in acid. Moles of KMnO₄ = 2/5. Hence (b).
Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Titration
⏱ 2mℹ️ Source: QB
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