KMnO4 oxidizes iodide to iodine in acidic medium and to iodate in alkaline medium.

the verdict

COMMON KNOWLEDGE

Legacy classification; evidence review pending

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Is it true that KMnO4 oxidizes iodide to iodine in acidic medium and to iodate in alkaline medium?

The oxidation of iodide by potassium permanganate to iodine in acidic conditions and iodate in alkaline conditions is a standard, fundamental redox reaction taught in basic chemistry.

Verdict: COMMON KNOWLEDGE · 0 sources for, 0 against · Last checked 5 Aug 2026

The analysis

The claim is a well-established standard chemical fact regarding the redox behavior of potassium permanganate in different pH media. None of the retrieved papers specifically evaluate or test this precise comparative mechanism as their main subject, and it is widely accepted foundational knowledge in chemistry, requiring no citation.

What does the evidence say?

Receipt History

first checked05 Aug 2026

judged → COMMON KNOWLEDGE · 9505 Aug 2026

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