What are coordination compounds?
Answers
Answer:
In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.
The coordination number of the central metal ion or atom is the number of donor atoms bonded to it. The coordination number for the silver ion in [Ag(NH3)2]+ is two (Figure 25.3.3).
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The Structures of Complexes.
Coordination NumberMolecular GeometryExample9 and abovemore complicated structures[ReH9]2−
Explanation:
According to this model, transition-metal ions form coordination complexes because they have empty valence-shell orbitals that can accept pairs of electrons from a Lewis base. Ligands must therefore be Lewis bases: They must contain at least one pair of nonbonding electrons that can be donated to a metal ion.
Answer:
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●a compound containing coordinate bonds, typically between a central metal atom and a number of other atoms or groups.