ENGINEERING CHEMISTRY-I PART-B QUESTIONS Unit 1 Polymer Chemistry 1. Classify the polymers with suitable examples. 2. What is functionality of monomer ? Explain its significance with suitable examples. 3. Distinguish between thermoplastics and thermosetting plastics. 4. Explain co-polymerisation with example. 5. Explain addition polymerisation withexample. 6. Explain condensation polymerisation with example. 7. Distinguish between addition and condensation polymerization. 8. Explain the free radical mechanism involved in the formation of polyethylene. 9. Describe free radical mechanism of addition polymerization with a suitable example. 10. Explain the mechanism of cationic polymerization with an example. 11. Explain the mechanism of anionic polymerization with an example. 12. Brief about the following properties of the polymers. a) Tg , weight – average molecular mass number – average molecular mass, tacticity, and polydispersity index. 13. Explain the techniques, advantages , disadvantages and application of bulk polymerization. 14. Explain the techniques, advantages , disadvantages and application of solution polymerization. 15. Explain the techniques, advantages , disadvantages and application of suspension and emulsion polymerization. 16. Write the synthesis , properties and uses of nylon 6:6. 17. Write the synthesis , properties and uses of epoxy resin.