Ethanol can be produced industrially either by the fermentation of glucose or by the direct hydration of ethene. Under certain circumstances, the fermentation route is preferred over direct hydration.
Which of the following describes an advantage of the fermentation method over the direct hydration method?
The fermentation method is a continuous process.
The fermentation method uses renewable raw materials.
The fermentation method has a faster rate of reaction.
The fermentation method produces high-purity ethanol directly without further separation.
13 exam-style questions on AQA A Level Chemistry Alcohols, covering Alcohol production, Oxidation of alcohols, and Elimination. Each one has a worked solution and a mark scheme showing where the marks go.