Alkene (Noun)
Meaning
Any unsaturated aliphatic hydrocarbon.
Classification
Nouns denoting substances.
Examples
- The organic compound but-2-ene is an example of an alkene, consisting of four carbon atoms and two alkene groups.
- Alkenes have a general formula of CnH2n, which distinguishes them from alkyl groups.
- A variety of syntheses generate alkenes, including olefin metathesis, which rearranges the carbon skeleton of alkenes.
- In addition to catalytic hydrogenation, alkenes can be reduced by sodium in liquid ammonia, where the radical-anion intermediate preserves stereochemistry.
- The simple alkenes are gases or liquid hydrocarbons that have a characteristic sweet smell.