O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2023 · Q371 Mark

Polymer X is an addition polymer. The monomer used to make X is but-1-ene. Polymer Y is a condensation polymer. The monomers used to make Y are HOCH2CH2OH and HOOCCH2COOH. Which statement about X and Y is correct?

AThe repeat unit of X is +CH(CH3)CH(CH3) and Y is a polyamide.

BThe repeat unit of X is +CH(CH3)CH(CH3) and Y is a polyester.

CThe repeat unit of X is +CH2CH(C2H5)+ and Y is a polyamide.

DThe repeat unit of X is +CH2CH(C2H5)+ and Y is a polyester.

✓ Correct answer

D: The repeat unit of X is +CH2CH(C2H5)+ and Y is a polyester.

Oracle Prep sorts past-paper questions by topic, so you can drill Organic Chemistry and see which topics are most likely to come up next.

Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 37.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content