Making ethanol by the hydration of ethene
1 mark · EasyExplain what happens to the unreacted ethene during the industrial hydration process to make ethanol.
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It is recycled back into the process.
Also accept: Unreacted ethene is fed again into the reactor.; It goes through the process again.; It is reused in the reaction.
Common mistakes: It is wasted.; It is discarded.
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Marking points
B1 · 1 mark · Correct reference to unreacted ethene being recycled or used again.
Worked solution
Unreacted ethene is recycled back through the process to be reacted again.