Question

The number of species having non-pyramidal shape among the following is _____.

$\left(A\right)S{O}_3$
$\left(B\right)N{O}_3^{-}$
$\left(C\right)PC{l}_3$
$\left(D\right)C{O}_3^{2-}$

Answer 1

Thus, answer is 3.