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The species which can best serve as an i...

The species which can best serve as an initiator for the cationic polymerization is:

A

`HNO_3`

B

`AlCl_3`

C

BuLi

D

`LiAIH_4`

Text Solution

Verified by Experts

The correct Answer is:
B
Cationic polmyerization is initiated by use of strong protonic acid such as `H_2SO_4` or Lewis acids such as `AICI_3,BF_3`, etc. Thus , option (b) is correct.
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The species which can best serve as an initiator for the cationary polymerization is:

In cationic polymerizalion, the initiator is an electrophile that adds to the alkene, causing it to become a cation. The Initiator most often used in cationic polymerization is a lewis acid. Such as BF_(3) or AICI_(3) and in anionic polymerization, the iniliator is a nucleophile that reacts with the alkene to form a propagating site that is an anion. Arrange the following group of monomers of decreasing ability to undergo cationic polymerization

In cationic polymerizalion, the initiator is an electrophile that adds to the alkene, causing it to become a cation. The Initiator most often used in cationic polymerization is a lewis acid. Such as BF_(3) or AICI_(3) and in anionic polymerization, the iniliator is a nucleophile that reacts with the alkene to form a propagating site that is an anion. Which of the follówing represents anionic polymerisation?

In cationic polymerizalion, the initiator is an electrophile that adds to the alkene, causing it to become a cation. The Initiator most often used in cationic polymerization is a lewis acid. Such as BF_(3) or AICI_(3) and in anionic polymerization, the iniliator is a nucleophile that reacts with the alkene to form a propagating site that is an anion. What monomer and what type initiator would you use to synthesize following polymer ?

Among the polymers, which one is generally prepared by cationic polymerization?

Arrange the following groups of monomers in order of decreasing ability to undergo cationic polymerization :

Which of the follwing compounds may be employed as a free radical initiator for free redical polymerizations?

PRADEEP-POLYMERS-Competition Focus (JEE (main and Advanced) /Medical Entrance Special) (I. Multiple Choice Questions) (with one Correct Answer)
  1. The catalyst used for olefin polymerization is:

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  2. Which of the following is a chain growth polymer?

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  3. The species which can best serve as an initiator for the cationic poly...

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  4. Acrilan is a hard, horny and a high melting matrial. Which of the foll...

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  5. Which one of the following is used to make ' non-stick ' cookware ?

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  6. Which of the following is fully fluorinated polymer?

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  7. The monomer used to produce orlon is:

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  8. A polymer of prop-2-enenitrile is called:

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  9. Soft drinks and baby feeding bottles are generally made up of:

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  10. The polymer used in the manufacture of squeeze bottles is:

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  11. Which one is classified as a condensation polymer ?

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  12. Terylene is a condensation polymer of ehtylene glycol and

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  13. Which of the following organic compounds polymerizes to form the polys...

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  14. Terylene is NOT a.

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  15. Of the following which one is classified as polyester polymer ?

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  16. Glyptal polymer is obtained from glycerol on reacting with:

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  17. Which polymer is used in the manufacture of paints and lacquers ?

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  18. Caprolactam is used for the manufacture of :

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  19. Nylon is an example of

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  20. Which of the following polymers contains nitrogen ?

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