3 Questions
What is the main difference between stereoisomers and constitutional isomers?
Stereoisomers have the same sequence of atoms but differ in spatial arrangement, while constitutional isomers have different sequences of atoms.
What is the term used to describe the consideration of spatial aspects of molecular structure?
Stereochemistry
How can stereoisomers be subdivided into general categories?
By their enantiomeric or diastereomeric relationship
Study Notes
Isomers
- Stereoisomers and constitutional isomers are two types of isomers, which are molecules with the same molecular formula but differ in their atomic arrangement.
Stereoisomers vs. Constitutional Isomers
- The main difference between stereoisomers and constitutional isomers is the way their atoms are bonded together: stereoisomers have the same bond order, but differ in their 3D spatial arrangement, while constitutional isomers have a different bond order.
Spatial Aspects of Molecular Structure
- Stereochemistry is the term used to describe the consideration of spatial aspects of molecular structure.
Subdividing Stereoisomers
- Stereoisomers can be subdivided into two general categories: enantiomers and diastereomers.
- Enantiomers are non-superimposable mirror images of each other.
- Diastereomers are non-mirror image stereoisomers.
Test your knowledge of stereochemistry and stereoisomers with this quiz. Understand the differences between enantiomers and diastereomers and how they relate to molecular structure.
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