In the preparation of \[KMn{{O}_{4}}\] pyrolusite \[(Mn{{O}_{2}})\] is – McqOptions

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1.	In the preparation of \[KMn{{O}_{4}}\] pyrolusite \[(Mn{{O}_{2}})\] is first converted to potassium manganite\[({{K}_{2}}Mn{{O}_{4}})\]. In this conversion, the oxidation state of manganese changes from
A.	+1 to +3
B.	+2 to +4
C.	+3 to +5
D.	+4 to +6
Answer» E.

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