When \[KMn{{O}_{4}}\] is reduced with oxalic acid in acidic solution, – McqOptions

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1.	When \[KMn{{O}_{4}}\] is reduced with oxalic acid in acidic solution, the oxidation number of \[Mn\] changes from [CPMT 1989]
A.	7 to 4
B.	6 to 4
C.	7 to 2
D.	4 to 2
Answer» D. 4 to 2

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