Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Alcohols
130 practice questions
Topics covered
- Drawing and naming the alcohols21 practice questions
- Ethanol burns in air19 practice questions
- Ethanol can be oxidised by heating with potassium dichromate(VI) in dilute sulfuric acid21 practice questions
- Making ethanol by fermentation19 practice questions
- Making ethanol by the hydration of ethene19 practice questions
- Comparing the two methods of producing ethanol20 practice questions
Practice questions
21–21 of 21 · Hard
Question 21
7 marks · Hard
Answer and see the solution →Only some of the ethene reacts in the industrial hydration process for ethanol.
(a)[2 marks]Describe how unreacted ethene is dealt with in the hydration of ethene process.
(b)[2 marks]Explain how this affects the efficiency of ethanol production.
(c)[3 marks]Compare one disadvantage and one advantage of recycling unreacted ethene in this process to fermentation methods.