Complex Ions
A complex ion is a metal ion surrounded by co-ordinately bonded ligands
A co-ordinate bond is a covalent bond formed when both electons are supplied by one of the atoms involved in the bond. It is also called a dative covalent bond.

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More in Redox Reactions
- Transition Metals
- Properties of Transition Metals
- Shapes of complex ions
- Isomerism
- Formation of Coloured Ions
- Spectroscopy
- Ligand Substitution Reactions
- Vanadium
All 21 lessons in Redox Reactions · All OCR A-level Chemistry topics