The synthetic condensation polymer nylon can be represented using the simplified structure shown.

1. aDescribe a simplified structure of one of the two molecules used in the formation of nylon (draw it on paper). [2]
2. bName one natural macromolecule similar in structure to nylon. [1]
3. cName the linkage found in both structures. [1]
4. dState one environmental problem that can be caused by the use of nylon, and explain. [2]
5. eButanol, CH₃CH₂CH₂CH₂OH, is produced from the catalytic addition of steam to an alkene. Name the alkene. [1]
6. fName the catalyst for this reaction. [1]

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