9.3 Alkyne
Hydrocarbons that have at least one triple bond between carbon atoms are called alkynes. This means alkynes are unsaturated hydrocarbons. Alkynes with one triple bond have the general formula .
Ethyne, also called acetylene is the simplest member of the alkyne family. In ethyne, the two carbon atoms share three pairs of electrons. This means the carbon atoms are joined by a triple bond.