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MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryRedox Reactions/Volumetric AnalysisConcept of Oxidation and Reduction

In which of the following pairs is there the greatest difference in the oxidation numbers of the underlined elements?

A.NO2 and N2O4

B.SO3

C.S2- and SO3

D.S2- and SO4

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