What is the oxidation state of Mn in MnO4- ?

Answers (1)
S Sumit

On MnO4-, the charge is -1 and hence sum of oxidation numbers is equal to -1.

Therefore:

Mn + 4('O') = -1

Mn + 4(-2) = -1

Mn = +7

Therefore oxidation state of Mn is +7

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