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The oxidation number of Mn in the produc...

The oxidation number of Mn in the product of alkaline oxidative fusion of `MnO_(2)` is

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The correct Answer is:
`+6`
`2MnO_(2) + 4KOH + O_(2) to 2K_(2) MnO_(4) + 2H_(2)O`
Oxidation number of Mn in `K_(2)MnO_(4)` is 6
`K_(2)MnO_(4), 2+x -8=0`
`x=+6`
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