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WorksheetsPart V Fossil Fuels and Carbon Compounds
Total questions: 20
Worksheet time: 25mins
Which of the following statements about fossil fuels must be correct?
A. They are liquids.
B. They are black in colour.
C. They contain hydrocarbons.
D. They are renewable resources.
Which of the following combinations is correct?
What is the maximum number of organic products that can be obtained when ethane reacts with excess bromine (dissolved in an organic solvent) under sunlight?
A. 6
B. 7
C. 8
D. 9
Which of the following compounds is the first member of a homologous series?
A. Ethane
B. Ethene
C. Ethanol
D. Ethanoic acid
Which of the following is the product of the reaction between but-1-ene and acidified potassium permanganate solution?
Which of the following is the systematic name of the compound shown?
A. 1-methylbutan-1-ol
B. 2-methylbutan-2-ol
C. 1,1-dimethylpropan-1-ol
D. 2,2-dimethylpropan-2-ol
The relative molecular mass of an alkane is 72.0. How many possible structures does it have?
(Relative atomic masses: H = 1.0, C = 12.0)
A. 2
B. 3
C. 4
D. 5
The flow diagram shows the process of the production of polyethene from petroleum.
Which of the following combinations is correct?
The polymer shown in the diagram is made by the polymerization of two different monomers.
(m and n represent the numbers of the two repeating units respectively in the polymer.)
Which of the following molecules are the monomers of this polymer?
A. Ethane and propane
B. Ethene and propene
C. Ethene and but-1-ene
D. Ethene and but-2-ene
Which of the following processes does NOT involve a chemical change?
A. Cracking of octane
B. Removal of sulphur dioxide by flue gas desulphurization system
C. Removal of suspended particulates by using electrostatic precipitators
D. Polymerization of propene
A part of a polymer chain is shown in the diagram.
Which of the following is the monomer of this polymer?
A. Chloromethane
B. Chloroethene
C. 1-chloropropene
D. 1,3-dichloropropene
Which of the following measures can reduce the emission of nitrogen oxides from the internal combustion engines of motor vehicles?
(1) Installing catalytic converters
(2) Installing electrostatic precipitators
(3) Increasing the length of the exhaust pipe
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
Methane is more volatile than hexane. Which of the following is/are the correct explanation(s) for this?
(1) The molecular size of hexane is larger than that of methane.
(2) Methane and hexane belong to different homologous series.
(3) The covalent bonds in hexane molecules are stronger than those in methane molecules.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
Which of the following substances is/are produced from petroleum?
(1) Perspex
(2) Margarine
(3) Bitumen
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
An organic compound has a molecular formula of C6H12. Which of the following statements about the compound must be correct?
(1) It is unsaturated.
(2) Its complete combustion gives carbon dioxide and water.
(3) It decolorizes acidified potassium permanganate solution.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
Which of the following statements concerning but-1-ene and but-2-ene are correct?
(1) They form the same polymer after undergoing polymerization.
(2) They have the same molecular formula.
(3) They have the same physical state at room temperature and pressure.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Which of the following pairs of substances CANNOT be distinguished by using bromine solution?
(1) Cyclohexane and hexane
(2) Hept-1-ene and hept-2-ene
(3) Polypropene and polystyrene
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Which of the following compounds do NOT react with acidified potassium permanganate solution?
(1) Pentane
(2) Methylpropane
(3) But-2-ene
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Which of the following statements about the two compounds shown are correct?
(1) They have the same boiling point.
(2) They are insoluble in water.
(3) They give the same amount of carbon dioxide when burnt completely.
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
Which of the following substances can be obtained from the fractional distillation of petroleum?
(1) Diesel oil
(2) Refinery gas
(3) Natural gas
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
