Chemistry A-Level
chelate effect
What chelate effect means in Chemistry A-Level, as defined for AQA.
Definition of chelate effect
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Reference: AQA
The name for the strong tendency of bidentate and multidentate ligands to replace monodentate ligands from complexes, so the substitution runs almost to completion.
Topics that use chelate effect
- Substitution reactions (A-level only) (AQA A-Level)
Related terms
- haemoglobin structure
- increase in particles
- multidentate substitution
- porphyrin ring
- unchanged co-ordination number
- iron(II) complex
- multidentate ligand
Using chelate effect in the exam
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