Cambridge AS & A Level Chemistry
28.3Colour of complexes
Colour of complexes in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 28.3.1Use degenerate and non-degenerate d orbitals.
- 28.3.2Describe d-orbital splitting and ΔE in octahedral and tetrahedral complexes.
- 28.3.3Explain colour by absorption of light as electrons are promoted between d orbitals.
- 28.3.4Describe qualitatively the effect of ligands on ΔE, the light absorbed and the colour seen.
- 28.3.5Use copper(II) and cobalt(II) complexes as examples of ligand exchange changing colour.
Lessons
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Why transition element complexes are coloured
40 min
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Sample question
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Turn Colour of complexes into a strength.
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