Amides, polyamides and addition polymers Quiz
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5 questions, one answer each
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1. Which pair of monomers forms nylon-6,6?
- A. Hexane-1,6-diamine and hexanedioic acid
- B. Hexane-1,6-diol and hexanedioic acid
- C. Ethene and propenamide
- D. Hexan-1-amine and hexanoic acid
2. What is released when hexane-1,6-diamine reacts with hexanedioic acid to form nylon-6,6?
- A. HCl
- B. Water
- C. Ammonia
- D. Hydrogen
3. Why is poly(propenamide) not a polyamide?
- A. It is made by condensation polymerisation
- B. It contains no nitrogen
- C. Its amide groups are side groups and the backbone is a carbon chain
- D. It is not a polymer
4. Why is poly(ethenol) soluble in water?
- A. It contains ionic bonds
- B. Its C–C bonds break in water
- C. Its –OH groups hydrogen bond to water molecules
- D. It is non-polar
5. Which statement explains the high tensile strength of nylon fibres?
- A. Covalent bonds form between all the chains
- B. London forces are absent in polyamides
- C. Nylon contains ionic bonds
- D. Hydrogen bonds act between N–H and C=O groups of neighbouring chains