List of top Chemistry Questions on Importance and Applications of Coordination Compounds asked in CBSE Class XII

The chelating ligand used for the treatment of lead poisoning is :
Vitamin $B_{12}$ is a complex compound of :
Why are low spin tetrahedral complexes rarely formed?
What is meant by chelate effect? Give an example.
Name two coordination compounds which are important in biological systems.
Name two coordination compounds which are important in biological systems.