I) The ligands in the complex compound [Cr(H2O)4Cl2]Cl are water (H2O) and chloride (Cl^-).

a)

i) The ligands in the complex compound $\text{[Cr(H}_2\text{O)}_4\text{Cl}_2\text{]Cl}$ are water ($\text{H}_2\text{O}$) and chloride ($\text{Cl}^-$).

ii) The complex ion is $\text{[Cr(H}_2\text{O)}_4\text{Cl}_2\text{]}^+$. This octahedral complex exhibits geometric isomerism (cis/trans).

1. cis-tetraaquadichlorochromium(III) ion: The two chloride ligands are adjacent. $$$$