Outlining what ligand substitution reactions are, including changes in co-ordination number and the role of monodentate (water, ammonia and chloride), bidentate (such as diamines and ethanediate ions) and multidentate (such as EDTA) ligands. Ligand substitution and entropy change as well as the chelate effect is shown with substitution of monodentate with bidentate and multidentate ligands.

For AQA, OCR (A), Edexcel and CIE.

Recap: 00:36
Ligand Substitution: 01:21
Monodentate, Bidentate and Multidentate Ligands: 03:47
1,2-diaminoethane and ethanedioate ions: 04:10
Entropy Change: 06:00
Chelate Effect: 06:51
EDTA: 07:11
Summary: 08:12

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