Question

A list of species having the formula $X{Z}_4$ is given below. $Xe{F}_4,S{F}_4,Si{F}_4,B{F}_4^{-},Br{F}_4^{-},{\left(\left[Cu{\left(N{H}_3\right)}_4\right]\right)}^{2+},{\left(\left[FeC{l}_4\right]\right)}^{2-},{\left(\left[CoC{l}_4\right]\right)}^{2-}$ and ${\left[PtC{l}_4\right]}^{2-}$

Defining shape on the basis of the location of X and Z atoms, the total number of species having an square planar shape is

Answer 1

Answer: 4