Calculate the oxidation number of mn in kmno4

Asked by admin @ 31/08/2021 in Chemistry viewed by 293 People

What is oxidation number of manganese in kmno4

Answered by admin @ 31/08/2021

Oxidation number of K is +1.
let Oxidation number of Mn be x
oxidation number of O is -2.

therefore

Oxidation number of KMnO4= +1+(x)+(4)(-2)=0

1+x+(-8)=0

1+x-8=0

1+x=8

x=8-1

x=7.

The oxidation number of Mn is 7.

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