What you’ll learn6 learning objectivesChoose one objective for a focused lesson, or study the complete topic.11.5.1Bonding in alkenes includes a double• State: the bonding in alkenes includes a double carbon–carbon covalent bond and that alkenes are unsaturated hydrocarbonsSyllabus objective11.5.2Manufacture of alkenes and hydrogen by• Describe manufacture of alkenes and hydrogen by the cracking of larger alkane molecules using a high temperature and a catalystSyllabus objective11.5.3Reasons for the cracking of larger• Describe reasons for the cracking of larger alkane moleculesSyllabus objective11.5.4Test to distinguish between saturated• Describe test to distinguish between saturated and unsaturated hydrocarbons by their reaction with aqueous bromineSyllabus objective11.5.5In an addition reaction only one• State: in an addition reaction only one product is formedSyllabus objective11.5.6Alkene addition reactions with• Describe alkene addition reactions with bromine/aqueous bromine, hydrogen with nickel catalyst, and steam with acid catalyst; draw structural/displayed formulae of productsSyllabus objective