Any of the series of unsaturated hydrocarbons containing a triple bond, including acetylene.
- Alkynes have the general formula: CnH2n-2.
- Alkanes (sometimes called paraffins) have only single bonds, while alkenes (sometimes called olefins) have a carbon-carbon double bond, and alkynes have a carbon-carbon triple bond.
- Originally the alkynes were called the acetylenes.
- The alkyne functional group is the carbon-carbon triple bond.
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