Question

why is so2 oxidant and a reductant

Answer 1

SO2 can act as both oxidizing as well as reducing agent since it has +4 oxidation state which is exactly between its highestoxidation state +6 and lowestoxidation state +2 ,Thus it can change its oxidation number either from +4 to-2(reduction) and +4 to+6 (oxidation) .

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