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

A quick introductory look at the alcohols

20 practice questions

Start practising (10 questions)

Practice questions

1–10 of 10 · Normal

  1. Question 1

    2 marks · Normal

    State the functional group present in all alcohols. Give its displayed formula.

    Answer and see the solution →

  2. Question 2

    3 marks · Normal

    Explain why methanol and ethanol are both classified as alcohols, even though their formulas are different. Include reference to naming rules in your answer.

    Answer and see the solution →

  3. Question 3

    4 marks · Normal

    The table below gives the molecular formula of several organic compounds. Complete the table by stating whether each compound is an alcohol and, if so, writing its functional group.

    CompoundMolecular formulaAlcohol (Yes/No)?Functional group (if any)
    MethanolCH3OH
    Ethanoic acidCH3COOH
    PropanolC3H7OH
    PropeneC3H6
    Answer and see the solution →

  4. Question 4

    1 mark · Normal

    The compound with the formula CH3CH2OH is correctly named:

    1. A.Ethanol
    2. B.Methanol
    3. C.Ethanoic acid
    4. D.Propanol
    Answer and check →

  5. Question 5

    2 marks · Normal

    Write the name and displayed formula of the functional group present in all alcohols.

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  6. Question 6

    4 marks · Normal

    Alcohols form a homologous series. The structure and naming of these compounds follow certain rules.

    (a)

    What does the suffix '-ol' show in the name of a compound?

    [1 mark]
    (b)

    Write the name of the alcohol with the molecular formula C4H9OH.

    [1 mark]
    (c)

    Explain how the '-ol' ending helps to distinguish alcohols from other organic compounds.

    [2 marks]
    Answer and see the solution →

  7. Question 7

    4 marks · Normal

    This question is about the naming of alcohols.

    (a)

    State the suffix used in the names of alcohols.

    [1 mark]
    (b)

    The following compounds are alcohols:

    CompoundStructural Formula
    MethanolCH3OH
    PropanolC3H7OH
    (i)

    Explain why the names of these compounds end with this suffix.

    [1 mark]
    (ii)

    Describe how the position of the functional group can be shown in the names of alcohols containing more than two carbon atoms.

    [1 mark]
    (c)

    What would be the name of an alcohol with the structural formula CH3CH2CH2OH?

    [1 mark]
    Answer and see the solution →

  8. Question 8

    2 marks · Normal

    State the name and structure of the functional group present in all alcohols.

    Answer and see the solution →

  9. Question 9

    4 marks · Normal

    This question is about the naming of alcohols.

    (a)

    State the suffix that is used in the names of alcohols.

    [1 mark]
    (b)

    Explain, with an example, how the suffix you named in part (a) is used to identify an alcohol.

    [3 marks]
    Answer and see the solution →

  10. Question 10

    3 marks · Normal

    A compound contains 12 hydrogen atoms and 6 oxygen atoms. It belongs to the alcohol homologous series.

    Calculate the total number of hydroxyl () functional groups in this compound. Show your working.

    Answer and see the solution →