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What will be the oxidation of Mn in the ...

What will be the oxidation of Mn in the compound of Mn formed upon fusion of `MnO_(2)` with KOH and `KNO_(3)` ?

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`Mn overset(+4)(O_(2))+2KOH+KNO_(3)to K_(2)overset(+6)(M)nO_(4)+KNO_(2)+H_(2)O` Oxidation state is + 6.
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