Write briefly about the applications of coordination compounds in volumetric analysis

[Ni(CN)₄]^2- is diamagnetic, while [NiCl₄]^2- is paramagnetic, explain using crystal field theory. 

How is magnitude of \({ \triangle }_{ 0 }\) affected by (i) nature of ligands (ii) oxidation state of metal ion.

Draw the structures of geometrical isomers of [Fe(NH₃)₂ (CN)₄]^-

Aqueous copper sulphate solution (blue) gives
(i) a green precipitate with aqueous potassium fluoride.
(ii) a bright green solution with aqueous potassium chloride. Explain these experimental results.

What is meant by unidentate, didentate and ambidentate Iigandst Give two examples for each.

Draw the structure of the following homoleptic metal carbonyl.
(i) [Ni(CO)₄]
(ii) [Fe(CO)₅]
(iii) [Cr(CO)₆]

Match the common name with formula and the IUPAC ligand name.

Common name	Formula	IUPAC ligand name
Bromide	C2O42-	Carbonato
Nitrate	Br-	Oxalato
hydroxide	NO3-	hydroxido
Carbonate	OH-	bromido
Oxalate	CO32-	nitrato

Explain optical isomerism.

What are the limitations of VBT?

Explain Bonding is metal carbonyls.

What is \(\pi \) back bonding?

What is stability constant?

What is the significance of stability constants?

Name some metal complexes, that are present in our biological system and their role in it.