In the preparation of KMnO_(4) pyrolusite (MnO_(2)) is first converted – InterviewSolution

1.	In the preparation of KMnO_(4) pyrolusite (MnO_(2)) is first converted to potassium manganate (K_(2)MnO_(4)). In this conversion, the oxidation state off manganese changes from
Answer» +1 to +3 `+ 2 to +4` ` + 3 to 5` ` + 4 to + 6` Solution :`MnO_(2) (+4)` to `K_(2)MnO_(4) (+6)` i.e. CHANGES from +4TO+ 6

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