Ligands 3.0 / 5 based on 1 rating ? ChemistryThe Periodic TableTransition metalsBonding & shapesFunctional GroupsIntermolecular forcesA2/A-levelOCR Created by: horsewithnonameCreated on: 24-04-17 11:55 What is a ligand? A molecule/ion that bonds to a central metal atom/ion to form a complex 1 of 9 What charge can ligands take? Either neutral or negative 2 of 9 Why can ligands form dative covalent bonds to the metal atom/ion? They have a lone pair of electrons on at least one of the atoms in the molecule 3 of 9 What is a monodentate ligand? Ligands that have only one atom able to bond to a central metal atom/ion. 4 of 9 What is a bidentate ligand? Ligands that have two atoms capable of binding to a central metal atom or ion. 5 of 9 What is a polydentate ligand? A ligand molecule with more than one donor atom 6 of 9 What is a complex ion? An ion that consists of a metal atom or ion in the centre that's surrounded by ligands. 7 of 9 What is the charge of a complex ion? The sum of the charges of the metal ion and the ligands 8 of 9 What is a ligand substitution reaction? When a ligand in a complex ion is replaced by another 9 of 9
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