Question

oxidation number of manganese in potassium permanganate

Answer 1

Answer:

Oxidation number of Mn = +7

Explanation:

In KMnO4 ,

Oxi. no. of K = +1,

&

Oxi. no. of O = -2(x4),

Let,

Oxi. no. of Mn = x,

1+x+(-2x4) = 0

1+x-8 = 0

x = 8-1

x = 7