Other important addition reactions of alkenes
2 marks · NormalWrite a balanced chemical equation for each of the following reactions involving ethene:
(a)[1 mark]
Hydrogenation of ethene to form an alkane.
(b)[1 mark]
Hydration of ethene to form an alcohol.
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(a)
(b)
Common mistakes: incorrect formulae; unbalanced equation; wrong reactants
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Marking points
M1 (a) · 1 mark · Correct balanced equation for hydrogenation of ethene.
M2 (b) · 1 mark · Correct balanced equation for hydration of ethene.
Worked solution
a) Hydrogenation:
b) Hydration: