14.2 Alkenes
Learning outcomesCandidates should be able to: Unsaturated hydrocarbons: compounds of hydrogen and carbon only whose molecules contain carbon-to-carbon double bonds (or triple bonds) Preparations From a halogenoalkanes (dehydrohalogenation – elimination) Dehydration of an alcohol Addition of halogen, X2 Use of aqueous bromine to show the presence of a C=C bond Properties Electrophilic addition The double…