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IB Chemistry HL 2.4.6 Hl Condensation Polymers Questions

Use real exam questions to construct polyamide and polyester repeating units, identify difunctional monomers and explain the small molecule released during condensation.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

Exam points

  • Distinguish condensation polymerization from addition polymerization by difunctional monomers and release of a small molecule.
  • Deduce the polyamide or polyester repeating unit and the functional linkage from given difunctional monomers, preserving atom connectivity.
  • Identify monomers or products from a condensation-polymer structure, including nylon, PET or Kevlar, and state the released small molecule.

Learn this topic

Study 2.4.6 (HL)—Condensation polymers conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Chemistry HL 2.4.6 Hl Condensation Polymers Questions question 1

[Maximum number: 3]

Phenylethene (styrene) is produced from ethylbenzene in a gas-phase equilibrium.

Figure for Question IB Chemistry HL 2.4.6 Hl Condensation Polymers Questions question 1 — IB Chemistry HL

Question (a)

(a)

State the type of polymer formed by reacting benzene-1,4-dicarboxylic acid with ethanediol, HOCH2CH2OH\mathrm{HOCH}_{2} \mathrm{CH}_{2} \mathrm{OH}.

[ 1 ]

Question (b)

(b)

Draw the structure of the polymer, showing one repeating unit.

[ 2 ]
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