Question

The formal charge on central oxygen atom in $O_3$ molecule is :

• A. $0$
• B. $+1$
• C. $-1$
• D. $-2$

Answer 1

The correct option is B $+1$

The formal charge on the central oxygen atom in $O_3$ molecule is $+1$.

Formal charge in central $O=$ valence electron $-\frac{1}{2}\times$bonding electron $-$non-bonding electron
$=6-\frac{1}{2}\times 6-2=+1$

Therefore, the correct option is B.