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IGCSEChemistry: Co-ordinated Sciences (Double Award)CIEExam QuestionsOrganic ChemistryFormulae, Functional Groups & Terminology

Formulae, Functional Groups & Terminology (CIE IGCSE Chemistry: Co-ordinated Sciences (Double Award))

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Formulae, Functional Groups & Terminology

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Formulae, Functional Groups & Terminology

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11 mark

Which of the following structures shows a compound that belongs to a different homologous series to octane?

q2-easy-mcq-11-1-organic-chemistry-cie-igcse-chemistry

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    21 mark

    The diagram shows the structure of ethene.

    q3-1-easy-mcq-11-1-organic-chemistry-cie-igcse-chemistry

    Which of these compounds has similar chemical properties of ethene?

    q3-2-easy-mcq-11-1-organic-chemistry-cie-igcse-chemistry

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      31 mark

      The structures of four organic compounds are shown. 

      Which one does not show the displayed formula of the compound?

      6e58eed3-267c-44d1-9b45-7e7907f0f840

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        41 mark

        Extended tier only


        Which of the following is not a feature of a homologous series? 

        • Compounds have the same functional group 

        • Compounds have the same physical properties

        • Compounds have the same general formula

        • Compounds have similar chemical properties 

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        51 mark

        Butene and octene belong to the same homologous series.

        What would be the same for butene and octene?

        • Boiling point

        • Number of hydrogen atoms per molecule

        • Relative molecular mass

        • Functional group

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        11 mark

        Organic compounds can have names that have the suffixes of -ane, -ene, -ol or -oic acid.

        How many of these have at least one double bond in their structure

        • 1

        • 2

        • 3

        • 4

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        21 mark

        The diagram below represents the molecule of a compound.

        q3-medium-mcq-11-1-organic-chemistry-cie-igcse-chemistry

        What is the name of this compound?

        • Ethane

        • Ethanol

        • Ethanoic acid

        • Ethene

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        11 mark

        The first three members of a homologous series are shown.

        q5-medium-mcq-11-1-organic-chemistry-cie-igcse-chemistry

        Why do these molecules represent a homologous series?

        • They contain carbon and hydrogen atoms.

        • They have saturated bonds.

        • They have the same functional group.

        • They react differently from each other.

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        21 mark

        Extended tier only

        Which pair of the following structures shows a homologous series?

        q6-medium-mcq-11-1-organic-chemistry-cie-igcse-chemistry

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          31 mark

          Extended tier only

          Which group of compounds is from a homologous series?

          • CH3OH,   C2H5OH,   C3H7OH

          • C3H6,   C3H8,   C3H7OH

          • CH4,   C2H4,   C3H8

          • CH3CO2H,   CH3CH2OH,   HCO2H

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          41 mark

          Extended tier only


          The diagram below shows some simple hydrocarbons and the products of two reactions.

          11-1-4h-hydrocarbons-and-products

          Which of these structures are named correctly?

             Structure 1 Structure 2 Structure 3
          A x ✔ ✔
          B ✔ ✔ ✔
          C x ✔ x
          D ✔ x ✔

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            51 mark

            Extended tier only


            The diagram below shows a reaction scheme. What are the names of all of the compounds?

            11-1-5h-reaction-scheme-a

              P Q R S
            A ethene ethane ethanoic acid ethanol
            B ethane ethene ethanol ethanoic acid
            C ethene ethane ethanol ethanoic acid
            D ethane ethene ethanoic acid ethanol

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