(a) Write the IUPAC name of the following complex:
${\mathrm{K}}_3\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]$
(b) On the basis of Crystal Field Theory, write the electronic configuration of d⁵ ion if 
${\mathrm{\Delta }}_0<\mathrm{P}$
(c) What are ambidentate ligands?

(a) The IUPAC name is Potassium trioxalatochromate(III)

(b) The electronic configuration is  ${\mathrm{t}}_{2\mathrm{g}}^3{\mathrm{e}}_{\mathrm{g}}^2$

(c) Ligands which have two different donor atoms and either of the two ligands in the complex are called ambidentate ligands. Ligands can be neutral, negative and positive ions.