The oxidation number of Mn in the product of alkaline oxidative fusion of `MnO_2` is
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The oxidation number of Mn in the product oa alkaline oxidative fusion of `MnO_2` is 6. `2MnO_2+4KOH+O_2to2K_2MnO_4+2H_2O` In `K_2MnO_4` the oxidation state of Mn is `+6`.
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