Question

Write the Lewis dot structural formula for each of
the following. Give also, the formula of a neutral
molecule, which has the same geometry and the same
arrangement of the bonding electrons as in each of the
following. An example is given below in the case of $H_3{O}^{+}$
and $N{H}_3.$
(i) $O_2^{2-}(ii)C{O}_3^{2-}$
(iii)$C{N}^{-}(iv)NC{S}^{-}$

Answer 1