Addition polymers and repeating units

Chemia IBPaper 2, maj 2026, TZ1wzorowane5 pktotwarteśrednie (szac.)

Zadanie 3c

Pentan-2-ol can form by reacting pent-1-ene with water in the presence of an acid catalyst. CH₂=CHCH₂CH₂CH₃(g) + H₂O(l) → CH₃CH(OH)CH₂CH₂CH₃(aq) ΔH^⊖ = −84 kJ mol⁻¹ (i) Explain why increasing the temperature would increase…

Chemia IBPaper 1A, maj 2026, TZ3wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 10

A section of the chain of an addition polymer is drawn below. From which monomer is this polymer made? A. CH₂=CHCH₂CH₃ B. CH₃CH₂CH₂CH₃ C. CH₃CH=CHCH₃ D. (CH₃)₂C=CH₂

• Materiał graficzny

Chemia IBPaper 2, maj 2025, TZ1wzorowane2 pktotwartełatwe (szac.)

Zadanie 6a

The displayed formula below shows part of the chain of an addition polymer. (i) Deduce the structural formula of the monomer used to build this polymer. (ii) Describe one chemical property responsible for this type of polymer being a useful material.

• Materiał graficzny

Chemia IBPaper 1A, maj 2025, TZ2wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 10

Which monomer produces this addition polymer? A. CH₂=CHCH₂CH₃ B. CH₃CH=CHCH₃ C. CH₂=C(CH₃)₂ D. CH₂=CHCH=CH₂

• Materiał graficzny

Chemia IBPaper 1A, maj 2025, TZ3wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 10

Which monomer could produce this polymer? A. CH₂ClCH₂Cl B. CHCl₂CH₃ C. CH₂=CHCl D. CH₂=CCl₂

• Materiał graficzny

Chemia IBPaper 2, listopad 2025, TZ3wzorowane3 pktotwarteśrednie (szac.)

Zadanie 3d

Hex-1-ene, CH₂=CHCH₂CH₂CH₂CH₃, is used to manufacture poly(hex-1-ene). (i) Complete the diagram to show the repeating unit of poly(hex-1-ene). (ii) State the type of polymerization that occurs.

• Materiał graficzny

Chemia IBPaper 1A, listopad 2025, TZ1wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 11

A section of a polymer containing three repeating units is shown. Which monomer was used to make this polymer? A. 1,1-dichloroethene B. Chloroethene C. 1,2-dichloroethene D. 3-chloroprop-1-ene

• Materiał graficzny

Chemia IBPaper 1A, specimen 2025wzorowane1 pktzamknięteśrednie (szac.)

Zadanie 10

Which structure shows the repeating unit of the addition polymer formed from pent-1-ene? A. [CH₂−CH₂−CH(CH₂CH₃)]_n B. [CH(CH₃)−CH(CH₂CH₃)]_n C. [CH₂−CH(CH₂CH₂CH₃)]_n D. [CH₂−C(CH₃)(CH₂CH₃)]_n

Chemia IBPaper 2, maj 2023, TZ1wzorowane4 pktotwarteśrednie (szac.)

Zadanie 3a

Halogenoalkanes form a homologous series. (i) Outline the meaning of homologous series. (ii) State the preferred IUPAC name of each of the two compounds shown. (iii) But-1-ene can be polymerized. Draw a section of the resulting polymer showing two repeating…

• Materiał graficzny

Chemia IBPaper 3, maj 2023, TZ2wzorowane1 pktotwarteśrednie (szac.)

Zadanie 4a

A section of an addition polymer chain, made from a single monomer, is shown. Draw the structural formula of the monomer that polymerizes to give this chain.

• Materiał graficzny

Chemia IBPaper 2, maj 2023, TZ2wzorowane3 pktotwartełatwe (szac.)

Zadanie 6e

Hex-3-ene, CH₃CH₂CH=CHCH₂CH₃, reacts with chlorine, Cl₂. (i) Identify the type of reaction that takes place. (ii) Predict the structural formula of the organic product of this reaction. (iii) Hex-3-ene can also undergo addition polymerization.…

Chemia IBPaper 2, maj 2022, TZ1wzorowane2 pktotwarteśrednie (szac.)

Zadanie 3d

Compound B, shown below, can also be made by the hydration of an alkene. The same reaction also gives a smaller amount of the isomer 3-methylbutan-2-ol, (CH₃)₂CHCH(OH)CH₃. (i) Draw the structural formula of the alkene that is needed. (ii) Deduce the…

• Materiał graficzny

Chemia IBPaper 1, maj 2022, TZ2wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 25

Which structure represents a repeating unit of the polymer formed from chloroethene, CH₂=CHCl? A. −CH₂−CHCl⁻ B. −CH₂−CH₂⁻ C. −CHCl−CHCl⁻ D. −CH₂−CCl₂⁻