Chemistry - Coordination Chemistry Question with Solution | TestHub

${\left[\mathrm{R}\mathrm{u}\mathrm{C}{\mathrm{l}}_6\right]}^{2-}$has a${\mathrm{t}}_{2\mathrm{g}}^4$configuration

${\left[\text{Fe}{\left(\text{Ox}\right)}_{\text{3}}\right]}^{3-}$is a low spin complex

Pairing energy of 4d and 5d series metal tend to be lower than the 3d series metals.

Number of unpaired electrons in${\left[\mathrm{M}\mathrm{n}{\left(\mathrm{C}\mathrm{N}\right)}_6\right]}^{3-}$is 2