Sec 1 Introduction Properties Alkynes contain a triple bond. General formula is C,H2m2. Two elements of unsaturation for each triple bond. Some reactions are like alkenes:addition and oxidation. Some reactions are specific to alkynes. Sec 1 Introduction & Properties ◼Alkynes contain a triple bond. ◼General formula is CnH2n-2 . ◼Two elements of unsaturation for each triple bond. ◼Some reactions are like alkenes: addition and oxidation. ◼Some reactions are specific to alkynes