Chemistry - Redox Reactions Question with Solution | TestHub

ChemistryRedox ReactionsProblem involving Equivalent ConceptEasy2 minQB
ChemistryEasysingle choice

During the oxidation of arsenite ion, AsO₃³⁻, to arsenate ion, AsO₄³⁻, in alkaline medium, the number of moles of hydroxide ions consumed per mole of arsenite ion is

Options:

Answer:
A
Solution:

AsO₃³⁻ + 2OH⁻ AsO₄³⁻ + H₂O + 2e⁻: the half-reaction consumes 2 mol OH⁻ per mole of arsenite. Hence (a).

Stream:JEESubject:ChemistryTopic:Redox ReactionsSubtopic:Problem involving Equivalent Concept
⏱ 2mℹ️ Source: QB

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