Chemistry A-Level
iron(II) complex
What iron(II) complex means in Chemistry A-Level, as defined for AQA.
Definition of iron(II) complex
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Reference: AQA
Haem is described as this, with the iron remaining Fe²⁺ throughout and not oxidised when oxygen binds.
Topics that use iron(II) complex
- Substitution reactions (A-level only) (AQA A-Level)
Related terms
- chelate effect
- haemoglobin structure
- increase in particles
- multidentate substitution
- porphyrin ring
- unchanged co-ordination number
- multidentate ligand
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