Making ethanol by fermentation
3 marks · EasyEthanol can be made by adding steam to ethene.
Write the word equation for this reaction.
State one condition needed for this reaction to occur.
Name the type of compound to which ethene belongs.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) ethene + steam → ethanol
(b) high temperature (e.g. 300°C) or high pressure or phosphoric acid catalyst
(c) alkene
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Marking points
B1 (a) · 1 mark · Gives correct word equation: ethene + steam → ethanol.
B1 (b) · 1 mark · Gives one correct condition, e.g. high temperature, high pressure, or catalyst.
B1 (c) · 1 mark · States alkene.
Worked solution
a) ethene + steam → ethanol
b) Condition: high temperature (about 300°C) or high pressure or phosphoric acid catalyst.
c) Ethene is an alkene.