1.

In acid solution, the reaction \[MnO_{4}^{-}\,\to \,M{{n}^{2+}}\] involves [MP PMT 1989]

A.                 Oxidation by 3 electrons
B.                 Reduction by 3 electrons
C.                 Oxidation by 5 electrons
D.                 Reduction by 5 electrons
Answer» E.


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