Question

Oxidation number of oxygen atom in $O_3$ molecule is

• A. 0
• B. $-2$
• C. $+2$
• D. $-\frac{1}{2}$

Answer 1

Answer: (A)

In $O_3$ (Ozone), there is no electronegativity difference between two oxygen atoms.
$\therefore$ Oxidation number is $0.$