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Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section

Naming organic compounds

19 practice questions

Start practising (19 questions)

Practice questions

11–19 of 19

  1. Question 11

    3 marks · Normal

    Explain how the name '2-butene' describes the structure of the molecule, according to IUPAC rules.

    Answer and see the solution →

  2. Question 12

    4 marks · Normal

    The table below shows the formulas of three different organic compounds.

    CompoundStructural formula
    ACH3CH2CH2CH3
    BCH2=CHCH3
    CCH3CH2CH2OH

    For each compound:

    (a)

    i) State the homologous series to which it belongs.

    [1 mark]
    (b)

    ii) State the IUPAC name for each compound.

    [3 marks]
    Answer and see the solution →

  3. Question 13

    1 mark · Normal

    Which of the following is the correct IUPAC name for the compound with the formula CH3CH2CH2CH=CH2?

    1. A.pentene
    2. B.1-pentene
    3. C.2-pentene
    4. D.pentane
    Answer and check →

  4. Question 14

    2 marks · Normal

    Write the IUPAC name for the following compound:

    Answer and see the solution →

  5. Question 15

    4 marks · Normal

    (a)

    The formula for an organic compound is CH3CH2CH2OH.

    i) State the functional group present.

    [1 mark]
    (b)

    ii) Name the homologous series to which this compound belongs.

    [1 mark]
    (c)

    iii) Give the IUPAC name of the compound.

    [2 marks]
    Answer and see the solution →

  6. Question 16

    3 marks · Normal

    A hydrocarbon has the following displayed formula:

    Apply IUPAC rules to determine the correct name of this compound.

    Answer and see the solution →

  7. Question 17

    2 marks · Hard

    The condensed structural formula of a hydrocarbon is given below:

    State the IUPAC name for this compound.

    Answer and see the solution →

  8. Question 18

    5 marks · Hard

    A student is trying to name the following organic compound. The displayed formula is shown below.

    (a)

    i) State the total number of carbon atoms in the molecule.

    [1 mark]
    (b)

    ii) Identify the functional group present in the molecule.

    [1 mark]
    (c)

    iii) Write the structural formula for this compound using condensed notation.

    [1 mark]
    (d)

    iv) State the homologous series to which this compound belongs.

    [1 mark]
    (e)

    v) Give the correct IUPAC name for this compound.

    [1 mark]
    Answer and see the solution →

  9. Question 19

    2 marks · Hard

    An organic compound has the structural formula shown below:

    Give the IUPAC name for this compound.

    Answer and see the solution →