MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryRedox Reactions/Volumetric AnalysisConcept of Oxidation and Reduction

MnO₄ - is a good oxidizing agent in different medium changing to MnO Mn MnO MnO Mn O → → → → Changes in oxidation number respectively, are

A.1, 3, 4, 5

B.5, 4, 3, 2

C.5, 1, 3, 4✓ Correct

D.2, 6, 4, 3

Explanation

Given, 4 MnO is a good oxidizing agent. The oxidation state of Mn in 4 MnOis +7 Chemical species Oxidation state Change in of Mn oxidation number 2 Mn +2 7 2 5 2 4 MnO +6 7 6 1 2 MnO +4 7 4 3 2 3 Mn O +3 7 3 4 Therefore, the order of change in oxidation number respectively is 5, 1, 3, 4.

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