5+11. Fossil Fuels, Carbon Compounds and Chemistry of Carbon Compounds.pdf

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HKDSE Chemistry Pastpapers (By-Topic)Topic 5 & 11 Fossil Fuels, Carbon Compounds and Chemistry ofCarbon CompoundsMultiple Choice Questions1.SP Q1Upon cracking, one molecule of decane (C10H22) gives two molecules of propene and one molecule ofan alkane (X). What isX?A.C4H6B.C4H10C.C7H14D.C7H16[Answer: B]
2.SP Q4The structure of polymerXis shown below.CH...HCH3CCH3HCHCH3CH3CHHCCH3CH3...What is the monomer ofXC?
3.SP Q9Which of the following statements concerning alkenes is INCORRECT?
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4.SP Q26Which of the following conversions is a substitution reaction?
5.SP Q27A compound with an ester functional group has a molecular formula of C4H8O2. What is the number ofpossible structures of the compound?A.3B.4C.5D.6[Answer: B]
6.SP Q28Which type of reaction is involved in converting propan-2-ol to propene?
7.SP Q30Hydrogen, methane and butane are commonly used fuels. Which of the following statements is correct?
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8.SP Q31The following is a series of reactions starting from ethanol:Which of the following correctly describes the reagentAand the productQ?Q
9.SP Q34Which of the following statements is / are correct concerning the members of the homologous series ofalkenes?(1) Members of higher molecular mass are often used to make soap.(2) The first few members are often used to make polymers.(3) The members can commonly react with hydrogen halides to give halohydrocarbons.A.(1) onlyB.(2) onlyC.(1) and (3) onlyD.(2) and (3) only[Answer: D]
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Term
Spring
Professor
NoProfessor
Tags
Carboxylic acid, Sulfuric acid

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