

MCQOPTIONS
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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. | |