I-+S2O8-2→Fe+3I2+SO4-2 Element undergoing oxidation is ------ and element undergoing reduction is----

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Iodine, oxygen

Iodine , Sulphur

Sulphur, oxygen

Iodine, Iron

answer is A.

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Detailed Solution

I--1→I20 ; Iodine undergoes OxidationTwo of the peroxy oxygen atoms(-1 oxidation state) of S2O8-2 reduce to oxygen atoms with ‘-2’ state in sulphate

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