Section H Alkenes and Alkyne ■Preparation ■Properties ■Reactions of alkenes Electrophilic addition to symmetrical alkenes addition to unsymmetrical alkenes Carbocation stabilization Reduction and oxidation of alkenes .Hydroboration of alkenes ■Reactions of alkynes Electrophilic additions to alkynes ●Reduction of alkynes Special reactions of terminal alkynes ■Conjugated dienesCollege Section H Alkenes and Alkynesof Science „Preparation „Properties „Reactions of alkenes zElectrophilic addition to symmetrical alkenes zaddition to unsymmetrical alkenes zCarbocation stabilization zReduction and oxidation of alkenes zHydroboration of alkenes „Reactions of alkynes zElectrophilic additions to alkynes zReduction of alkynes zSpecial reactions of terminal alkynes „Conjugated dienes