Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Making ethanol by the hydration of ethene
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →State the temperature and pressure conditions required for the industrial hydration of ethene to make ethanol.
Question 2
5 marks · Hard
Answer and see the solution →In the industrial process to make ethanol from ethene, only some of the ethene reacts in a single pass through the reactor.
(a)[2 marks]Explain what happens to the ethene that does not react during one pass through the reactor.
(b)[2 marks]Describe one advantage of recycling the unreacted ethene in this process.
(c)[1 mark]Suggest what effect not recycling unreacted ethene would have on the overall yield of ethanol.
Question 3
2 marks · Hard
Answer and see the solution →Give the word equation and the balanced symbol equation for making ethanol by hydration of ethene.