Question

complex compounds
define​

Answer 1

Answer:

A complex ion is a species formed between a central metal ion and one or more surrounding ligands, molecules or ions that contain at least one lone pair of electrons. The formation of a complex ion by adding a complexing agent increases the solubility of a compound.

Answer 2

ANSWER

Coordination compound, any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands, joined to it by chemical bonds. 

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