Condensation polymers Quiz
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5 questions, one answer each
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1. Which pair of monomers forms a polyester?
- A. Dicarboxylic acid and diamine
- B. Dicarboxylic acid and diol
- C. Diol and diamine
- D. Two alkenes
2. What is the repeating unit of the polymer formed from 6-aminohexanoic acid, H₂N(CH₂)₅COOH?
- A. –NH(CH₂)₅CO–
- B. –NH(CH₂)₅COOH–
- C. –CH₂CH₂–
- D. –O(CH₂)₅CO–
3. Why are hydrogen bonds not possible between Terylene chains?
- A. Terylene has no polar bonds
- B. There is no N–H or O–H group in the chain
- C. Terylene is an addition polymer
- D. The chains are too short
4. A section of chain is –CO(CH₂)₄CO–O(CH₂)₂O–. Which monomers form it?
- A. Hexanedioic acid and ethane-1,2-diol
- B. Hexanedioic acid and 1,2-diaminoethane
- C. Hexanoic acid and ethanol
- D. Ethanedioic acid and hexane-1,6-diol
5. Which statement about Kevlar is correct?
- A. It is held together by ionic bonds between chains
- B. It has ester links and no hydrogen bonding
- C. Its rigid chains form many hydrogen bonds between neighbours
- D. It is an addition polymer of benzene