The correct statements among the following are

The complexes ${\left.{\left[{\mathrm{NiCl}}_4\right]}^{2-}\text{ and }\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}$differ in the geometry

The complexes $\left[{\left[{\mathrm{NiCl}}_4\right]}^{2-}\text{ and }{\left[\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}\right.$differ in primary valencies of nickel

The complexes ${\left[{\mathrm{NiCl}}_4\right]}^{2-}\text{ and }{\left[\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}$ differ in the state of hybridisation

The complexes [NiCl₄)^2– and [Ni(CN)₄]^2– differ in the magnetic propertic