Chemistry - Coordination Chemistry Question with Solution | TestHub

The complex is $\left[\mathrm{Co}(\mathrm{en}{)}_3\right]{\mathrm{Cl}}_3$.

A. IUPAC name is Tris(ethylenediamine)cobalt(III) chloride. (Correct)

B. It gives 3 moles of AgCl with excess ${\mathrm{AgNO}}_3$ due to 3 ionizable ${\mathrm{Cl}}^{-}$ ions. (Correct)

C. It shows optical isomerism (en is bidentate, forming a chiral structure). (Correct)

D. It does not show geometrical isomerism (all ligands are identical bidentate ligands). (Incorrect)