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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 is the oxidation numbers of the oxidation numbers of the central atom?

A.NO2 and N2O4
B.P2O2 and P4O10
C.N2O and NO
D.SO2 and SO3
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