Question

Complex ion formation allows the solubulization of many otherwise insoluble netal salts?

Answer 1

A complex ion forms from a metal ion and a ligand because of a Lewis acid–base interaction. ..... or ions that increase the solubility of metal salts by forming soluble metal complexes, ...

Answer 2

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Small, highly charged metal ions have the greatest tendency to act as Lewis acids and form complex ions. The equilibrium constant for the formation of the complex ion is the formation constant (K f). The formation of a complex ion by adding a complexing agent increases the solubility of a compound.