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

Other important addition reactions of alkenes

19 practice questions

Start practising (19 questions)

Practice questions

1–10 of 19

  1. Question 1

    1 mark · Easy

    State the product formed when ethene reacts with steam.

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  2. Question 2

    3 marks · Easy

    (a)

    Write the balanced chemical equation for the hydrogenation of ethene.

    [1 mark]
    (b)

    Name the product formed in this reaction.

    [1 mark]
    (c)

    State the type of reaction taking place.

    [1 mark]
    Answer and see the solution →

  3. Question 3

    2 marks · Easy

    Calculate the mass of water needed to react completely with 7.0 g of ethene in the hydration reaction. (M_r of C2H4 = 28, M_r of H2O = 18)

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  4. Question 4

    2 marks · Easy

    Explain, with reference to the products formed, why the reactions of ethene with hydrogen and with steam are both called addition reactions.

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  5. Question 5

    3 marks · Easy

    Addition reactions of ethene
    ReactantProductType of Reaction
    Hydrogen
    Water (steam)
    (a)

    Complete the table by naming the products of these reactions.

    [2 marks]
    (b)

    State the type of reaction for both cases.

    [1 mark]
    Answer and see the solution →

  6. Question 6

    1 mark · Easy

    Write the molecular formula of the product when ethene is hydrogenated.

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  7. Question 7

    3 marks · Easy

    (a)

    Name the starting materials used in the industrial production of ethanol from ethene.

    [1 mark]
    (b)

    Write the balanced equation for this process.

    [1 mark]
    (c)

    State one condition required for this reaction.

    [1 mark]
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  8. Question 8

    2 marks · Easy

    How many moles of hydrogen are needed to react with 0.60 mol of ethene during hydrogenation?

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  9. Question 9

    2 marks · Normal

    Write a balanced chemical equation for each of the following reactions involving ethene:

    (a)

    Hydrogenation of ethene to form an alkane.

    [1 mark]
    (b)

    Hydration of ethene to form an alcohol.

    [1 mark]
    Answer and see the solution →

  10. Question 10

    4 marks · Normal

    Ethene can undergo different addition reactions.

    (a)

    Write the balanced chemical equation for the hydrogenation of ethene.

    [1 mark]
    (b)

    Name the product formed in this reaction.

    [1 mark]
    (c)

    Write the balanced chemical equation for the hydration of ethene (include state symbols for steam and ethanol).

    [1 mark]
    (d)

    State two conditions required for the hydration of ethene.

    [1 mark]
    Answer and see the solution →