Introduction and Terminology — Prelims Questions

Which of the following statements is INCORRECT regarding coordination compounds?

What is the coordination number and oxidation state of the central metal in the complex $\text{K}_3[\text{Fe}(\text{C}_2\text{O}_4)_3]$?

Which of the following is an example of an ambidentate ligand?

Identify the central metal ion, ligands, and coordination number in the complex $[\text{Cr}(\text{H}_2\text{O})_4\text{Cl}_2]\text{Cl}$.

Which of the following complexes is heteroleptic?

Which of the following ligands is a chelating ligand?