Alkanes & Crude Oil quiz Loading... 1. What is crude oil?A mixture of alkanesA mixture of alcoholsAn oily liquidA mixture of hydrocarbonsQuestion 1 of 22 Loading... 2. Write a chemical equation for the complete combustion of propaneC₃H₈ + 10O₂ → 3CO₂ + 4H₂OC₃H₈ + 5O₂ → 3CO₂ + 4H₂OC₃H₈ + 10O₂ → 3CO₂ + 8H₂OC₃H₈ + 5O₂ → 3CO₂ + 8H₂OQuestion 2 of 22 Loading... 3. In car engines, sparks cause the formation of some gases which contribute to acid rain. What are these gases?carbon monoxiderefinery gasesOxides of nitrogenoxides of sulfurQuestion 3 of 22 Loading... 4. Why are alkanes classified as saturated hydrocarbons?They do not react easilyThey are toxic substancesThey are usually solids at room temperatureThey contain only single bondsQuestion 4 of 22 Loading... 5. A pupil has tried to write down various ways of representing ethane using: molecular formula, displayed formula, general formula, empirical formula and stuctural formula. However she has missed one out. Which one?general formulaempirical formulastructural formulamolecular formulaQuestion 5 of 22 Loading... 6. Explain the term homologous seriesA homologous series is a family of compounds with 1) a trend in general formula 2) similar chemical properties 3) the same physical propertiesA homologous series is a family of compounds with 1) the same general formula 2) trends in their chemical properties 3) similar physical propertiesA homologous series is a family of compounds with 1) the same general formula 2) similar chemical properties 3) trends in their physical propertiesA homologous series is a family of compounds with 1) a trend in general formula 2) trends in their chemical properties 3) similar physical propertiesQuestion 6 of 22 Loading... 7. What is the name of the process in which crude oil is separated into its various components?Fractional distillationFiltrationCrystallisationSimple distillationQuestion 7 of 22 Loading... 8. State the problem associated with sulfur dioxide in the atomosphere?The sulfur dioxide is poisonous because it reduces the blood\'s capacity to carry oxygenThe sulfur dioxide combines with water in the atmosphere to form acidic solutions (acid rain)The sulfur dioxide can react with nitrous oxides to form acidic particulatesThe sulfur dioxide causes increased levels of radicals in the atmosphere leading to the destruction of the ozone layerQuestion 8 of 22 Loading... 9. Why is the boiling point of a larger molecule higher than that of a smaller molecule?Larger molecules have fewer attractions between them. These take less energy to overcome.Larger molecules have more attractions between them. These take more energy to overcome.Larger molecules have fewer attractions between them. These take more energy to overcome.Larger molecules have more attractions between them. These take less energy to overcome.Question 9 of 22 Loading... 10. Recall a use for each of the 6 fractions obtained from the fractional distillation of crude oilrefinery gases=cooking; gasoline=fuel for cars; kerosene=fuel for planes; diesel=fuel for lorries; fuel oil=fuel for ships; bitumen=surfacing roadsrefinery gases=fuel for cars; gasoline=fuel for planes; kerosene=cooking; diesel=fuel for lorries; fuel oil=fuel for ships; bitumen=surfacing roadsrefinery gases=cooking; gasoline=fuel for planes; kerosene=fuel for cars; diesel=fuel for lorries; fuel oil=fuel for ships; bitumen=surfacing roadsrefinery gases=cooking; gasoline=fuel for cars; kerosene=fuel for planes; diesel=fuel for ships; fuel oil=fuel for lorries; bitumen=surfacing roadsQuestion 10 of 22 Loading... 11. A student names this molecule 2-ethylpentane. Which of these statements is true about the student's naming of the molecule?The student is wrong. The correct name is 3-methylhexane.The student is wrong. The correct name is 1-methyl-1-ethylbutane.The student is correct and deserves a tuck-shop voucher.The student is wrong. The correct name is 4-methylhexane.Question 11 of 22 Loading... 12. What is a fuel?A fuel is a substance that contains chemical energyA fuel is a substance that is used to power vehiclesA fuel is a substance that, when burned, releases heat energyA fuel is a liquid used in electrolysisQuestion 12 of 22 Loading... 13. Name the greenhouse gas released from burning hydrocabonsmethanesootwater vapourcarbon dioxideQuestion 13 of 22 Loading... 14. Name this moleculepolybut-1-ene2-methylpropenebutanebut-2-eneQuestion 14 of 22 Loading... 15. Explain why carbon dioxide gas, CO₂, is a gas at room temperatureCarbon dioxide has a simple molecular structure with strong intermolecular forces that require a lot of energy to overcomeCarbon dioxide has a giant covalent structure with many strong covalent bonds which require a lot of energy to overcomeCarbon dioxide has a simple molecular structure with weak intermolecular forces that require little energy to overcomeCarbon dioxide has a giant covalent structure with many weak covalent bonds which require little energy to overcomeQuestion 15 of 22 Loading... 16. Why does incomplete combustion occur?When there is reduced fuel avaliableWhen there is an insufficient supply of oxygen for complete combustionWhen the fuel is wetWhen there is an insufficient supply of waterQuestion 16 of 22 Loading... 17. Explain the term hydrocarbonA hydrocarbon is a molecule that comes from crude oilA hydrocarbon is a molecule that is in a homologous seriesA hydrocarbon is a molecule containing only hydrogen and carbonA hydrocarbon is an organic moleculeQuestion 17 of 22 Loading... 18. How does sulfur dioxide form in car engines?When the petrol combusts the sulfur dioxide impurities are left behindThe metals the car is made from contain some impurities of sulfur and when the engine heats up, some sulfur dioxide is formedAcid rain causes some sulfur impurities to get into the car engine, and when the petrol combusts some sulfur dioxide is formedPetrol includes the impurity sulfur, and when the petrol combusts some sulfur dioxide is formedQuestion 18 of 22 Loading... 19. What is the name of this molecule?pentanepropaneethanebutaneQuestion 19 of 22 Loading... 20. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 Cl₂(g)4 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)4 HCl(aq) + 2 MnO₂(s) → 2 MnCl₂(aq) + 2H₂O(l) + Cl₂(g)2 HCl(aq) + MnO₂(s) → MnCl₂(aq) + H₂O(l) + Cl₂(g)Question 20 of 22 Loading... 21. State the general formula of alkanesC₂ₙH₂ₙ₊₂ CₙHₙ₊₁CₙH₂ₙ₊₂ CₙH₂ₙQuestion 21 of 22 Loading... 22. Describe the trend in boiling points of the main fractions in crude oilBoiling point increases as the viscosity increasesBoiling point increases as the number of carbon atoms (chain length) decreasesBoiling point increases as the number of carbon atoms (chain length) increasesBoiling point increases as the viscosity decreasesQuestion 22 of 22 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T16:34:17+00:00Categories: Uncategorized|Tags: Quiz, Topic: Alkanes & Crude Oil| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail