Chemistry A-Level
Geometric (cis–trans) isomerism
What Geometric (cis–trans) isomerism means in Chemistry A-Level, as defined for OCR.
Definition of Geometric (cis–trans) isomerism
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Reference: OCR
Two identical ligands can be either adjacent (cis) or opposite (trans), as in square planar [Pt(NH₃)₂Cl₂] or octahedral [Co(NH₃)₄Cl₂]⁺.
Topics that use Geometric (cis–trans) isomerism
- Transition elements (OCR A-Level)
Related terms
- Balanced ionic equations for precipitation
- Balancing complex half-equations
- bidentate ligands
- Bidentate ligands giving octahedral complexes
- Bond angles and shape prediction
- Boundary cases scandium and zinc
- Calculating oxidation state from a formula
- Catalytic behaviour of transition metals and their compounds
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