How to deduce the polymerisation reaction for any alkene
1 mark · NormalWhich structural change occurs when ethene polymerises to form poly(ethene)?
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Correct option: The double bond between carbon atoms breaks to form single bonds
Common mistakes: Selecting an answer describing condensation polymerisation
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Marking points
B1 · 1 mark · Selects correct option for addition polymerisation: double bond breaks to form single bonds.
Worked solution
The double bond between carbon atoms in ethene breaks and forms single bonds, allowing polymers to form.