Coloured complexes

IB Chemistry: Coloured complexes

LigandsThe definition of a ligand is that it is a neutral molecule or negative ion that donates one or more pairs of electrons to a metal atom or ion to form a coordination complex. Since it donates one or more pairs of electrons, by definition a ligand is also a Lewis base. The IB covers both monodentate ligands - that is ligands which only form just one coordinate bond with a transition metal - and polydentate ligands....

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