Chemistry - Coordination Chemistry Question with Solution | TestHub

${\left[{\mathrm{NiCl}}_4\right]}^{2-}>{\left[\mathrm{Ni}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}>{\left[\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}$

Splitting energy order ${\Delta }_{\mathrm{t}}<{\Delta }_0 <{\Delta }_{\mathrm{sq}}$

Absorbed energy order ${\left[{\mathrm{NiCl}}_4\right]}^{2-}<{\left[\mathrm{Ni}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}<{\left[\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}$

intensity of colour of compound ${\left[{\mathrm{NiCl}}_4\right]}^{2-}>{\left[\mathrm{Ni}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}>{\left[\mathrm{Ni}(\mathrm{CN}{)}_4\right]}^{2-}$