Chemistry A-Level
cis–trans isomerism
What cis–trans isomerism means in Chemistry A-Level, as defined for OCR.
Definition of cis–trans isomerism
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Reference: OCR
A special case of E/Z isomerism in which two of the substituent groups attached to each carbon atom of the C=C group are the same.
Topics that use cis–trans isomerism
- Alkenes (OCR A-Level)
Related terms
- Addition polymerisation
- Addition polymerisation of alkenes
- Addition reactions forming other organic chemicals
- Atomic number and first point of difference
- Biodegradable and renewable alternatives
- Biodegradable polymers
- bond breaking and bond formation
- Bromine water test for unsaturation
Using cis–trans isomerism in the exam
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