Cambridge International A Level · Chemistry (9701)

Polymerisation: condensation and degradable polymers (A Level only): Practice Questions

5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Polymerisation: condensation and degradable polymers (A Level only).

8 questions15 marksFree, no account

Question 1

1 mark

Which statement about addition polymerisation is correct?

Question 2

1 mark

A section of an addition polymer is shown below:
\( -CH_2-CH(CH_3)-CH_2-CH(CH_3)-CH_2-CH(CH_3)- \)
What is the correct monomer used to produce this polymer?

Question 3

1 mark

An addition polymer is formed from a single monomer. A segment of this polymer is shown below:
\( -CH(CH_3)-CH(C_2H_5)-CH(CH_3)-CH(C_2H_5)- \)
What is the IUPAC name for the monomer used?

Question 4

1 mark

Kevlar is a high-strength polymer used in bulletproof vests. It is formed by the condensation of benzene-1,4-diamine and benzene-1,4-dicarboxylic acid. Which structural feature contributes most to its high tensile strength?

Question 5

1 mark

A specific polyamide is synthesized from the monomer 2-aminopropanoic acid. What is the repeat unit of this polymer?

Question 6

2 marks

Draw the repeat unit of the addition polymer formed from the monomer chloroethene, \(CH_2=CHCl\).

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

State two structural differences between addition polymers and condensation polymers.

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Question 8

5 marks

Explain why Kevlar, a polyamide, is significantly more resistant to alkaline hydrolysis than poly(ethylene terephthalate) (PET), despite both being condensation polymers.

Write your answer out first, then check it against the worked solution.

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