Geometrical Isomers
| Also Known As | Cis-trans isomers, E/Z isomers, stereoisomers, diastereomers (geometric) |
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What is Geometrical Isomers?
Geometrical isomers (also called cis-trans isomers or E/Z isomers) are stereoisomers that differ in the spatial arrangement of substituents around a double bond or ring system. In cis isomers, identical or similar groups are on the same side; in trans isomers, they are on opposite sides. They have the same molecular formula and connectivity but different spatial arrangements, resulting in different physical and chemical properties.
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Geometrical isomers (also called cis-trans isomers or E/Z isomers) are stereoisomers that differ in the spatial arrangement of substituents around a double bond or ring system. In cis isomers, identical or similar groups are on the same side; in trans isomers, they are on opposite sides. They have the same molecular formula and connectivity but different spatial arrangements, resulting in different physical and chemical properties.
Understanding drug activity (cis-platin is anticancer; trans-platin is inactive). Polymer chemistry (cis vs. trans polyisoprene: rubber vs. gutta-percha). Food chemistry (cis vs. trans fatty acids). Understanding reaction mechanisms (stereospecific reactions). Pesticide and pharmaceutical design.
Conceptual term — individual isomers have their own safety profiles. Trans fatty acids (partially hydrogenated oils) are associated with cardiovascular disease. Some cis isomers (cis-platin) are potent chemotherapy drugs with significant toxicity.