An '''alkyne''' is a [[hydrocarbon]] group that contains at least one triple [[bond]] between [[carbon]] [[atom]]s. A common alkyne is ''acetylene'' (C<sub>2</sub>H<sub>2</sub>). The alkyne group is often referred to as the ''acetylene group''. | An '''alkyne''' is a [[hydrocarbon]] group that contains at least one triple [[bond]] between [[carbon]] [[atom]]s. A common alkyne is ''acetylene'' (C<sub>2</sub>H<sub>2</sub>). The alkyne group is often referred to as the ''acetylene group''. |