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How is Dacron obtained from ethylene gly...

How is Dacron obtained from ethylene glycol and terephthalic acid?

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A: Glyptal is obtained by condensation polymerization of ethylene glycol and terephthalic acid. R: Glyptal is used in the manufacture of fabrics.

(A) Glyptal is obtained by the condensation polymerization, of ethylene glycol and terephthalic acid. (R) Glyptal is used in the manufacture of paints and lacquers.

Assertion : Glyptal is formed by the condensation polymerisation of ethylene glycol and terephthalic acid Reason : Glyptal is used in the manufacture of paints and lacquers

Assertion : Terylene is a condensation polymer. Reason : Terylene is formed by ethylene glycol and terephthalic acid with elimination of water molecule.

Ethylene glycol is used

Terylene is a polymer of ethylene glycol and

Assertion (A)Glyptal is a copolymer. Reason(R ) It has two monomeric units, ethylene glycol and phthalic acid.

CENGAGE CHEMISTRY-SYNTHETIC AND NATURAL POLYMERS-Exercises Concept Application
  1. Explain the terms polymer and monomer.

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  2. What are natural and syntheitc polymer?Give two examples of each.

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  3. Distinguised between the terms homopolymer ans copolymer and give as e...

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  4. Explain the unctionality of a monomer?

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  5. Define the term polymersation.

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

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  7. How are polymers classified on the basis of molecular forces?

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  8. How can you differentiate between addition and condensation poymersati...

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  9. Explain the term copolymersation and give two examples.

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  10. Write the free radical mechanism for the polymersation of ethene.

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  11. Define thermoplastics and themosetting polymers and give examples of e...

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  12. Write the monomers used for getting the following polymers. (i)Polyv...

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

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  14. How does the presence of double bonds in rubber molecules influence th...

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  15. Discuss the main purpose of vulcanisation of rubber.

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  16. What are monomeric repeating units of nylon-6and nylon-6.6?

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  17. Write the names and structures of the monomers of the following polyme...

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  18. Identify the monomer in the following polymeric structures. (i)

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  19. How is Dacron obtained from ethylene glycol and terephthalic acid?

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  20. What is the biodegradable polymer?Give an example of a biodegradable a...

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