Q. 1 E4.3( 26 Votes )

Assign oxidation number to the underlined elements in each of the following species:

CaO2

Answer :

Let the oxidation number(O.N.) of O be ‘x’


We know that,


O.N. of Ca = + 2


Therefore, we have,


(+2) + 2(x) = 0


X = -1


The O.N. of O is -1.

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