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Chapter 9 Definition
Chemistry
| Term | Definition |
|---|---|
| Stereoisomers | same atom-to-atom connectivity but different arrangement in space |
| Stereocentre / Chirality Centre | atom (usually carbon) bound to four different groups |
| Chiral compound | contains a stereocentre |
| Achiral compound | contains no stereocentres |
| Enantiomers / optical isomers | mirror image molecules which rotate plan-polarised light in opposing directions |
| Polarimeter | measures rotation of polarised light by a sample |
| Racemic mixture | 50:50 mixture of 2 enantiomers |
| R and S | configurations of stereoisomers |