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Which type of molecules act as initiator...

Which type of molecules act as initiators in cationic addition polymerisation?

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It is initiated by use of acids such as `H_2 SO_4, HF `or `BF_3` in water.
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ARIHANT PUBLICATION-POLYMERS-QUESTIONS FOR PRACTICE ( VERY SHORT ANSWER TYPE QUESTIONS)
  1. Classify the following as addition and condensation polymers. Terylene...

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  2. Is -(NH-CHR-CO)n-, a homopolymer or a copolymer?

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  3. Which factor imparts crystalline nature to a polymer like nylon?

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  4. Which of the following are addition polymers: Terylene, Teflon, Neopre...

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  5. Whether terylene is an addition or condensation polymer?

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  6. Why does cis-polyisoprene possess elastic property?

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  7. Based on molecular forces, what type of polymer is neoprene?

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  8. Which type of molecules act as initiators in cationic addition polymer...

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  9. What is the role of sulphur in vulcanisation of rubber ?

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  10. What is neoprene ? Give its one use.

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  11. What are the monomers used for preparing buna-S?

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  12. Write the name and structure of one of the common initiators used in f...

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  13. What are the monomeric repeating units of nylon-6 and nylon-6,6?

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  14. Condensation of ethylene glycol with terephthalic acid produces a comp...

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  15. Condensation of ethylene glycol with terephthalic acid produces a comp...

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  16. What is the monomer of Teflon ?

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  17. From which compound terylene is made?

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  18. Name any two polymer.

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  19. What is meant by buna-s ?

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  20. How bakelite is made ?

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