Question

Calculate oxidation number of the following components
(l) Mn in K2MnO4
(ll) Ca in CaOCI2​

Answer 1

Answer:

let oxidation state of Mn be x.

As we know, the oxidation state of O is -2 and that of H is +1.

K

2

MnO

4

:2+x+(−8)=0

⇒x=8−2

⇒x=+6.