The components of Zeigler Natta catalyst, used in the polyme

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 Multiple Choice QuestionsMultiple Choice Questions

441.

Artificial silk is :

  • nylon - 6

  • rayon

  • nylon 66

  • none of these


442.

Which of the following is common example of fibres ?

  • Bakelite

  • Buna - S

  • Nylon - 66

  • PVC


443.

Assertion : Ebonite is highly vulcanised rubber.

Reason : Perlon is used in the manufacture of fibres.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false.


444.

Which is not a polymer?

  • Sucrose

  • Enzyme

  • Starch

  • Teflon


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445.

Assertion : Teflon has high thennal stability and chemical inertness.

Reason : Teflon is a thermoplastic.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


446.

Chain transfer reagent is

  • CCl4

  • CH4

  • O2

  • H2


447.

The monomer of teflon polymer is :

  • CF2=CF2

  • CF2=CCl2

  • CH2F-CH2F

  • CF2=CFCl


448.

Assertion : 1,3-butadiene is the monomer for natural rubber.

Reason : Natural rubber is formed through anionic addition polymerization.

  • If both assertion and reason are true and reason is the correct explanation of the assertion.

  • If both assertion and reason are true but reason is not the correct explanation of the assertion.

  • If assertion is true, but reason is false.

  • Both assertion and reason are false statements


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449.

The components of Zeigler Natta catalyst, used in the polymerisation of propylene, are:

  • TiCl3 + Al(C2H5)3

  • TiCl4 + Al(C2H5)3

  • Ti(C2H5)3 + AlCl3

  • Ti(C2H5)4 + AlCl3


B.

TiCl4 + Al(C2H5)3

Zeigler Natta catalyst is an organo-metallic compound, which is used in polymerisation reactions. Its components are TICl4 + Al(C2H5)3.


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450.

Teflon is a polymer of :

  • tetra fluoroethylene

  • tetrabromoethylene

  • tetraiodoethylene

  • tetrachloroethylene


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