Amides, polyamides and other polymers: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 19.2.1 Amides, polyamides and other polymers, 2019–2025, with mark schemes and examiner’s reports where available.
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Calculations
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Q19(b)(i)
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Q19(b)(ii)
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Q19(b)(iii)
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Q19(c)(ii)
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Q19(e)
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Q20(c)(i)
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Q20(c)(ii)
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Q24(a)(i)
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Q24(a)(ii)
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Q24(a)(iii)
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Q24(c)(i)
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Q24(c)(ii)
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All 35 questions on Amides, polyamides and other polymers, as a list
- June 2025, Unit 5, Q10 (1 mark): Which is the repeat unit of the polymer formed from the monomers shown? HO OH H2N NH2 O O O O O A N H n O O O B N N H H n O O C N N H H n O O D N N N H H H n
- June 2025 (A), Unit 5, Q14 (1 mark): Poly(ethenol) is used to make hospital laundry bags for soiled or contaminated linen. This is because poly(ethenol) is A a bactericide B broken down by detergen
- January 2025, Unit 5, Q14 (1 mark): What is the repeat unit of the water‑soluble polymer poly(ethenol)? ( OH H A C C H OH ( H H B C C H OH ( H OH C C C H OH ( OH OH D C C OH OH
- January 2025, Unit 5, Q15 (1 mark): A repeat unit for a polyamide is shown. H H N N (CH2)4 (CH2)6 C C O O Which pair of monomers makes this polymer? A H2N(CH2)6NH2 and HOOC(CH2)4COOH B NC(CH2)6CN
- October 2024, Unit 4, Q15 (1 mark): Which monomer could form a condensation polymer without needing a second type of monomer? A HO(CH2)4OH B HO(CH2)4COCl C HO(CH2)4CH CH2 D HO(CH2)4CH2Cl
- October 2024, Unit 5, Q11 (1 mark): The polymer, nylon 6-10, is made from a six-carbon diamine and a ten-carbon dicarboxylic acid. Which is the repeat unit of this nylon? O O A N (CH2)10 N C C (CH
- June 2024, Unit 5, Q19(b)(i) (2 marks): Draw the structure of poly(ethenol), showing three repeat units. (2)
- June 2024, Unit 5, Q19(b)(ii) (2 marks): Use your structure from 19(b)(i) to calculate the percentage of hydroxyl groups by mass in the polymer. (2)
- June 2024, Unit 5, Q19(b)(iii) (2 marks): Explain why poly(ethenol) is soluble in water using your answers from 19(b)(i) and (ii). (2)
- June 2024, Unit 5, Q19(c)(ii) (1 mark): Suggest one way that the properties of poly(ethenol) will be improved by the use of glycerol, apart from any effect on solubility. (1)
- June 2024, Unit 5, Q19(e) (2 marks): Some hospitals use poly(ethenol) laundry bags instead of reusable, washable polyester or nylon bags. State two advantages of using soluble poly(ethenol) laundry
- January 2024, Unit 5, Q7 (1 mark): Peptides are short chains of amino acids linked by peptide bonds. COOH NH COOH O O O O H H H N N N H2N N N N N COOH H H H H O O O COOH COOH COOH How many differ
- January 2024, Unit 5, Q11 (1 mark): The formulae of three synthetic polymers, X, Y and Z, are shown. H N n n n Cl O O NH2 X Y Z Which are made by addition polymerisation reactions? A X, Y and Z B
- October 2023, Unit 5, Q20(c)(i) (1 mark): Draw the repeat unit of the polyamide formed from the monomers shown. O O C C H2N(CH2 )6 NH2 and Cl Cl (1)
- October 2023, Unit 5, Q20(c)(ii) (2 marks): Explain why polyamides have higher melting temperatures than polyalkenes. (2)
- June 2023, Unit 5, Q24(a)(i) (1 mark): PAM is made from the acrylamide monomer. O NH2 acrylamide Give the IUPAC name for acrylamide. (1)
- June 2023, Unit 5, Q24(a)(ii) (3 marks): Explain why PAM is able to absorb large amounts of water. Include a diagram in your answer. (3)
- June 2023, Unit 5, Q24(a)(iii) (2 marks): The structure of PAA in aqueous solution is pH-dependent. Below pH 4, the structure of PAA is compact due to the formation of intramolecular hydrogen bonds. Abo
- June 2023, Unit 5, Q24(c)(i) (2 marks): State what is meant by the term condensation polymer. (2)
- June 2023, Unit 5, Q24(c)(ii) (2 marks): The structure of nylon 6,6 is shown. H O N N n O H nylon 6,6 Nylon 6,6 is made from two monomers. Deduce the structural formulae of these two monomers. (2) stru
- June 2023, Unit 5, Q24(c)(iii) (2 marks): Caprolactam can be directly converted to give a different polymer, nylon 6, in a ring-opening polymerisation reaction. O NH caprolactam Draw two repeat units of
- June 2023, Unit 5, Q25(d)(iv) (1 mark): Deduce the skeletal formula of the reagent for Step 3. (1)
- January 2023, Unit 5, Q14 (1 mark): A polyamide has the repeat unit O O C C N N H H Which of these monomers can form this polyamide? O A H2N C only OH O O B H2N C C NH2 only O O C H2N C C NH2 and
- January 2023, Unit 5, Q19(c)(ii) (1 mark): Draw the structure of the dipeptide formed from phenylalanine. (1)
- January 2023, Unit 5, Q19(c)(v) (3 marks): Aspartame is hydrolysed by hydrochloric acid in the stomach. Draw the structures of the three organic products formed from the complete acid hydrolysis of aspar
- October 2022, Unit 5, Q15 (1 mark): The structure of crotonamide is shown. O H C NH2 C C CH3 H What is the repeat unit of the polymer formed from crotonamide? NH2 H H H H C O C C C A B C C H H C O
- June 2022, Unit 5, Q7(c) (1 mark): The repeat unit of another polymer has the structure shown. H CH3 C C H H H C O C C OH O H H This polymer is formed from (1) A a single type of monomer by an ad
- January 2022, Unit 5, Q12(a) (2 marks): The diagram shows part of the structure of a polymer formed by a condensation reaction between two amino acids. H2N O H O N N H O S Predict the structures of th
- October 2021, Unit 5, Q15 (1 mark): How many different amino acids form the repeat unit of the polymer shown? O O O A 3 B 4 C 5 D 6
- June 2021, Unit 5, Q12 (1 mark): Which type of compound cannot be a monomer in the formation of polyamides? A amides B amino acids C diacyl chlorides D diamines
- June 2021, Unit 5, Q19(b)(ii) (1 mark): Suggest the functional group present in Y. (1)
- January 2021, Unit 5, Q14 (1 mark): The repeat unit of a polymer is shown. n O NH2 What is the structure of the monomer? O A NH2 O B NH2 O C NH2 O D NH2
- January 2021, Unit 5, Q15 (1 mark): The repeat unit of a polymer is shown. O H O H H H H H C C C N C C C N CH3 H H H This polymer could be A both a polypeptide and a polyamide B neither a polypept
- October 2020, Unit 5, Q10 (1 mark): Part of the structure of a protein is shown. OH O O O H H H N N N N N N H H H O O O OH OH How many different amino acids were used to form this part of the stru
- January 2020, Unit 4, Q3 (1 mark): A polymer is prepared by the reaction between hexanedioyl dichloride and hexane-1-6-diamine. What type of polymerisation occurs? A addition B condensation C hyd
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