Unit 2 - homologus series 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsFunctional GroupsNational 5SQA Created by: oliviaparkCreated on: 14-10-18 18:03 What is distillation ? The process of separating a mixture of liquids using the difference in boiling points 1 of 18 What is fractional distillation ? The process used to separate crude oil into fractions according to the boiling points of the components of the fractions 2 of 18 What are properties related to the molecular size of the molecules within the fractions ? ease of evaporation , viscosity, flammability and boiling point range 3 of 18 What is a hydrocarbon ? A compound containing hydrogen and carbon only 4 of 18 What is a homologous series ? a set of compounds with similar chemical properties and the same general formula 5 of 18 What are the alkanes ? a subset of the set of hydrocarbons that are saturated 6 of 18 What is a saturated hydrocarbon hydrocarbons that contain carbon to carbon single covalent bonds only 7 of 18 What is the general formula for alkanes ? CnH2n+2 8 of 18 What are the alkenes ? A subset of the set of hydrocarbons that are unsaturated 9 of 18 What is an unsaturated hydrocarbon ? A hydrocarbon that contains at least one carbon to carbon double covalent bond 10 of 18 What is the general formula for the alkenes ? CnH2n 11 of 18 What is a cycloalkane ? a subset of the set of hydrocarbons that are saturated 12 of 18 What is the general formula for the cycloalkanes ? CnH2n 13 of 18 What is an addition reaction ? The reactions of an alkene with bromine , hydrogen , and water 14 of 18 What is addition with a) hydrogen b)Bromine c)water called ? a) hydrogenation b)bromination c)hydration 15 of 18 What is cracking ? An industrial method for producing a mixture of smaller , more useful hydrocarbons , some of which are unsaturated 16 of 18 What catalysts are used for cracking ? aluminium oxide 17 of 18 what is an isomer ? compounds with the same molecular formula but different structural formula 18 of 18
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