Transition metals can form complex ions where ligands are coordinately bonded to the central metal ion.
State the meaning of the terms ligand and bidentate with respect to transition metal complexes.
Transition metals are located in the d-block of the periodic table.
Explain, using the electron configuration, why scandium is found in the d-block of the periodic table but not classed as a transition metal.
Prussian Blue, Fe4[Fe(CN)6]3, is a dark blue pigment used in painting and dyeing.
Prussian Blue is formed when an iron (III) salt is added to a solution containing the complex ion [Fe(CN)6]4−.
Iron and zinc are in the d-block of the Periodic Table.
Iron (II) ions, [Fe(H2O)6]2+, form a pale green solution but zinc ions, [Zn(H2O)6]2+, form a colourless solution.
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