Chemistry - Coordination Chemistry Question with Solution | TestHub

The number of complexes from the following with no electrons in the $t_2$ orbital is ${\mathrm{TiCl}}_4,{\left[{\mathrm{MnO}}_4\right]}^{-},{\left[{\mathrm{FeO}}_4\right]}^{2-},{\left[{\mathrm{FeCl}}_4\right]}^{-},{\left[{\mathrm{CoCl}}_4\right]}^{2-}$