Question

Choose the correct option(s) from the following

• A. Natural rubber is polyisoprene containing trans alkene units
• B. Nylon-6 has amide linkages
• C. Teflon is prepared by heating tetrafluoroethene in presence of a persulphate catalyst at high pressure
• D. Cellulose has only $\alpha$-D-glucose units that are joined by glycosidic linkages

Answer 1

Answer: (B), (C)

1. Natural rubber is polyisoprene containing cis alkene units
2. Nylon-6 has amide linkage
3. Cellulose has only $\beta-D$ glucose units.