Important Terms Related to Coordination Compounds

The coordination number of a central metal atom in the complex is determined by

In the complexes  ${\left[\mathrm{Fe}{\left({\mathrm{H}}_{\mathrm{2}}\mathrm{O}\right)}_{\mathrm{6}}\right]}^{\mathrm{3}+},\mathrm{ }{\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_{\mathrm{6}}\right]}^{\mathrm{3}–},\mathrm{ }{\left[\mathrm{Fe}{\left({\mathrm{C}}_{\mathrm{2}}{\mathrm{O}}_{\mathrm{4}}\right)}_{\mathrm{3}}\right]}^{\mathrm{3}–}\mathrm{and} {\left[{\mathrm{FeCl}}_{\mathrm{6}}\right]}^{\mathrm{3}–},$  more stability is shown by

${\left[\mathrm{Cu}{\left(\mathrm{en}\right)}_2\right]}^{2+}$ is a five-membered chelate compound.

Chelating ligands which do not contain unsaturated group form _____ membered stable rings.

Chelating ligand ethylene diamine forms five-membered stable rings.

Give an example of a five-membered chelate.

Define five-membered ring chelates.

Ethyldiamine triacetate ion is a pentadentate ligand.

The ligands having five donor atoms are called _____ ligands.

Ethylenediamine triacetate ion is a 

Give any one example of pentadentate ligand.

Define pentadentate ligands.

Dienthylene triamine is tetradentate ligand.

The ligands having four donor atoms are called _____ ligands.

Triethylene tetraamine is a 

Give any one example of Tetradentate ligands.

Define tetradentate ligand.

Ethylene diamine is a tridentate ligand.

The ligands having three donor atoms are called _____ ligands.