Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Other important addition reactions of alkenes
19 practice questions
Practice questions
1–8 of 8 · Easy
Question 1
1 mark · Easy
Answer and see the solution →State the product formed when ethene reacts with steam.
Question 2
3 marks · Easy
Answer and see the solution →(a)[1 mark]Write the balanced chemical equation for the hydrogenation of ethene.
(b)[1 mark]Name the product formed in this reaction.
(c)[1 mark]State the type of reaction taking place.
Question 3
2 marks · Easy
Answer and see the solution →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)
Question 4
2 marks · Easy
Answer and see the solution →Explain, with reference to the products formed, why the reactions of ethene with hydrogen and with steam are both called addition reactions.
Question 5
3 marks · Easy
Answer and see the solution →Addition reactions of ethene Reactant Product Type of Reaction Hydrogen Water (steam) (a)[2 marks]Complete the table by naming the products of these reactions.
(b)[1 mark]State the type of reaction for both cases.
Question 6
1 mark · Easy
Answer and see the solution →Write the molecular formula of the product when ethene is hydrogenated.
Question 7
3 marks · Easy
Answer and see the solution →(a)[1 mark]Name the starting materials used in the industrial production of ethanol from ethene.
(b)[1 mark]Write the balanced equation for this process.
(c)[1 mark]State one condition required for this reaction.
Question 8
2 marks · Easy
Answer and see the solution →How many moles of hydrogen are needed to react with 0.60 mol of ethene during hydrogenation?