Explain the following :
(i) Low spin octahedral complexes of nickel are not known.
(ii) The `pi` - complexes are known for transition elememts only.
(iii) CO is a stroger ligand than `NH_(3)` for many metals.

Explain the following : Low spin octahedral complexes of nickel are not known.

Explain the following. Low spin octahedral complexes of nickel are not known.

Why are pi-"complexes" known for transition metals only?

Explain the following. CO is a stronger ligand than NH_(3) for many metals.

Explain the following : (2) The pi- complexes are known for the transition metals only.

State True or false The π-complexes are known for transition metals only

Explain the following : (1) Nickel does not form low spin octahedral complexes.

Explain the following given appropriate reason: i) Nickel does not form low spin octahedral complexes. ii) The pi -complexes are known for the transition metals only. iii) Co^(2+) is easily oxidised to Co^(3+) in the presence of a strong ligand.

Explain the following case giving appropriate reason : The pi -complexes are known for the transition metals only.