How to deduce the polymerisation reaction for any alkene
1 mark · EasyWrite the displayed formula of the monomer used to make poly(ethene).
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CH2=CH2 (all bonds shown)
Must show: all atoms and bonds shown
Common mistakes: Double bond omitted; Showing only molecular formula
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Marking points
B1 · 1 mark · Displayed formula of ethene showing both carbons, the double bond, and all four hydrogens.
Worked solution
The displayed formula for ethene is: