Chemical reactions of the alkenes
2 marks · NormalState the type of chemical reaction that occurs when ethene reacts completely with oxygen. Write the names of the two products formed in this reaction.
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Common mistakes: Naming carbon monoxide as a product; Naming steam instead of water
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Marking points
B1 · 1 mark · States the reaction is complete combustion or just combustion.
B2 · 1 mark · Gives both correct products: carbon dioxide and water (accept names only).
Worked solution
The reaction is called combustion (or complete combustion).
The two products are carbon dioxide and water.