Question

Choose from the following having one $\pi$-bond and maximum number of canonical forms from the following :

• A. $S{O}_3$
• B. $C{O}_3^{2-}$
• C. $S{O}_2$
• D. $O_2$

Answer 1

The correct option is B $C{O}_3^{2-}$

$S{O}_2$


In $S{O}_3$
So, $S{O}_3$ is incorrect
$C{O}_3^{2-}$:
$C{O}_3^{2-}$ is the correct answer