Monomer of polymer  from Chemistry Polymers

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 Multiple Choice QuestionsMultiple Choice Questions

321.

Nylon is a

  • polyamide

  • polyester

  • polyethylene

  • polypropylene


322.

Which one of the following compounds is used to obtain polymer teflon?

  • Difluoro ethane

  • Monofluoro ethane

  • Tetrafluoro ethene

  • None of the above


323.

[-NH(CH2)6NHCO(CH2)4CO-]n is a

  • addition polymer

  • thermosetting polymer

  • homopolymer

  • copolymer


324.

Isoprene is a valuable substance for making

  • propene

  • liqmd fuel

  • synthetic rubber

  • petrol


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325.

Nylon-6 is made from

  • 1, 3-butadiene

  • chloroprene

  • adipic acid

  • caprolactum


326.

Bakelite is the condensation polymer of

  • C6H5OH and caprolactum

  • HCHO and phthalic acid

  • C6H5OH and HCHO

  • HCHO and ethylene glycol


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327.

Monomer of polymer 

  • 2-methylpropene

  • styrene

  • propene

  • ethene


A.

2-methylpropene

2-methylpropene or isobutylene undergoes cationic polymerisation easily in presence of BF3 or H2SO4 since it has two electron donating methyl groups that will stabilize the intermediate carbocation,


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328.

Bakelite is polymer of phenol and

  • HCOOH

  • HCOOCH3

  • HCHO

  • CH3COOH


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329.

Bisphenol and epichlorohydrin condensed in presence of NaOH forming

  • Resins

  • Rubber

  • Foam

  • Polyester


330.

Natural rubber is a polymer of monomer isoprene. During polymerisaton

  • 1, 4 addition takes place

  • 1, 2 addition takes place

  • 1,3 addition takes place

  • both double bonds are converted into single bond


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