Alkanes and Halogenoalkanes Part 1 5.0 / 5 based on 2 ratings ? ChemistryAlkanesHalogenoalkanesNucleophilic SubstitutionASAQA Created by: hanna.m.wCreated on: 05-03-17 16:35 What is the general formula for cycloalkanes? CnH(2n) 1 of 30 How many bonds can each carbon atom make? 4 2 of 30 Why can you separate the components of crude oil using fractional distillation? different length carbon chains have different boiling points 3 of 30 What is at the bottom on the fractioning column? Residue 4 of 30 What is a use of kerosene? Jet fuel 5 of 30 What is a use of mineral oil? Lubricating oil 6 of 30 What does thermal cracking produce a lot of? alkenes 7 of 30 What catalyst is used in catalytic cracking? zeolite 8 of 30 what catalyst is used in a catalytic converter? platinum/rhodium coated honeycomb 9 of 30 what does catalytic cracking mostly produce? aromatic compounds+motor fuels 10 of 30 what is the problem with carbon monoxide? binds to haemoglobin molecules in red blood cells so oxygen cannot be carried around the body 11 of 30 how are nitrous oxides produced? high temperature and high pressure in car engines cause nitrogen and hydrogen in air to react 12 of 30 What harmless product is made as a result of flue gas desulphurisation? calcium sulphite 13 of 30 Which gas leads to acid rain? (most commonly) Sulphur dioxide 14 of 30 Which gases react in a catalytic converter to form less harmful products? carbon monoxide and nitrous oxides 15 of 30 What are reactions started by ultraviolet light called? photochemical reactions 16 of 30 what is a free radical? a particle with an unpaired electron 17 of 30 what is the reaction called when free radicals are produced? initiation reaction 18 of 30 what products would be formed if a chlorine radical attacks a methane molecule? a hydrogen chloride molecule and a methyl radical 19 of 30 What is the main concern with CFCs? They are destroying the ozone layer 20 of 30 Why do CFC's reach high into the atmosphere when chlorine gas doesn't? They are unreactive 21 of 30 What is a alternative to CFC's with no chlorine? HFC's- Hydrofluorocarbons 22 of 30 What is formed when halogenoalkanes react with hydroxides? alcohols 23 of 30 What is formed when halogenoalkanes react with cyanide? nitriles 24 of 30 What is formed when halogenoalkanes react with ammonia? amines 25 of 30 What does 'under reflux' mean? you increase the temperature of an organic reaction without losing volatile solvents, reactants or products 26 of 30 what reaction does aqueous conditions favour? nucleophilic substitution 27 of 30 what reaction does anhydrous conditions favour? nucleophilic elimination 28 of 30 what affects the difference in rate of reaction between fluoroalkanes and nucleophiles in comparison to iodoalkanes and nuclephiles? the strength of the C-halogen bond 29 of 30 Bromoethane reacts with KOH in aqueous conditions to form CH2=CH2? False 30 of 30
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