Chemistry - Coordination Chemistry Question with Solution | TestHub

(A) ${\left[\mathrm{Fe}(\mathrm{CN}{)}_5\mathrm{NO}\right]}^{-2}\to$ Heteroleptic, ${\mathrm{Fe}}^{+2},3{\mathrm{d}}^6$, ${\mathrm{t}}_{2\mathrm{g}}{}^6{\mathrm{e}}_{\mathrm{g}}{}^0,{\mathrm{d}}^2{\mathrm{sp}}^3$, Low spin ( 3 d series +SFL ) (B) ${\left[{\mathrm{CoF}}_6\right]}^{-3}\to$ Homoleptic, ${\mathrm{sp}}^3{\mathrm{d}}^2$, High spin, ${\mathrm{Co}}^{+3},3{\mathrm{d}}^6(3\mathrm{d}$ series + WFL $)$ (C) ${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{-4}\to$ Homoleptic ${\mathrm{Fe}}^{+2},3{\mathrm{d}}^6,{\mathrm{d}}^2{\mathrm{sp}}^3,{\mathrm{t}}_{2\mathrm{g}}{}^6{\mathrm{eg}}^0$ Low spin $(3\mathrm{d}$ series +SFL$)$ (D) ${\left[\mathrm{Co}{\left({\mathrm{NH}}_3\right)}_6\right]}^{+3}\to$ Homoleptic, ${\mathrm{Co}}^{+3}3{\mathrm{d}}^6,{\mathrm{d}}^2{\mathrm{sp}}^3$, ${\mathrm{t}}_{2\mathrm{g}}{}^6{\mathrm{eg}}^0$, Low spin (3d series + SFL) (E) ${\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{+2}\to$ Homoleptic ${\mathrm{Cr}}^{+2}3{\mathrm{d}}^4,{\mathrm{d}}^2{\mathrm{sp}}^3$, High spin ${\mathrm{t}}_{2\mathrm{g}}{}^3{\mathrm{e}}_{\mathrm{g}}{}^1$ (3d series + WFL)