Chemistry - Coordination Chemistry Question with Solution | TestHub

${\left[{\mathrm{FeF}}_6\right]}^{3-}$ Paramagnetic ${\mathrm{sp}}^3{\mathrm{d}}^2$
${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{3-}$ Paramagnetic ${\mathrm{d}}^2{\mathrm{sp}}^3$
${\left[\mathrm{Mn}(\mathrm{CN}{)}_6\right]}^{3-}$ Paramagnetic ${\mathrm{d}}^2{\mathrm{sp}}^3$
${\left[\mathrm{Co}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]}^{3-}$ Diamagnetic ${\mathrm{d}}^2{\mathrm{sp}}^3$
${\left[{\mathrm{MnCl}}_6\right]}^{3-}$ Paramagnetic ${\mathrm{sp}}^3{\mathrm{d}}^2$
${\left[{\mathrm{CoF}}_6\right]}^{3-}$ Paramagnetic ${\mathrm{sp}}^3{\mathrm{d}}^2$
Only ${\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}^{3-}$ and ${\left[\mathrm{Mn}(\mathrm{CN}{)}_6\right]}^{3-}$ are paramagnetic and ${\mathrm{d}}^2{\mathrm{sp}}^3$ hybridisation of metal.