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7.3 Synthetic and naturally occurring polymers

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Question 18

An alkene monomer has the molecular formula C8H16\text{C}_8\text{H}_{16}C8​H16​.

The table shows three proposed descriptions of the polymer made from this monomer.

ReportFormula of one repeating unitBond between the two carbon atoms that were joined by the double bond in the monomer
AC8H16\text{C}_8\text{H}_{16}C8​H16​double bond
BC8H14\text{C}_8\text{H}_{14}C8​H14​single bond
CC8H16\text{C}_8\text{H}_{16}C8​H16​single bond
a.

Explain which report is consistent with addition polymerisation.

[3]
b.

One molecule of the polymer contains 19 200 atoms in total.

Calculate the number of alkene molecules that joined to make this polymer molecule.

[2]
Markscheme

7.3 Synthetic and naturally occurring polymers Questions

  1. GCSE
  2. /Chemistry
  3. /7.3 Synthetic and naturally occurring polymers

94 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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