plz answer.

Asked by  | 22nd Nov, 2008, 07:32: PM

Expert Answer:

d- block elements have vacant d orbitals to expand and coodination compounds are formed when ligand donate a lone pair of electrons to central metal atom which require vacant orbital, that is why,only d-block  elements form co-ordination compounds.

Answered by  | 24th Nov, 2008, 10:18: AM

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