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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

None of these

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The correct Answer is:
B
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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?

MOTION-BIOMOLECULES & POLYMERS-EXERCISE - 4 (LEVEL I)
  1. alpha-D (+)-glucose and beta-D(+)-glucose are:

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  2. Bakelite is obtained form phenol by reacting with:

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  3. Buna-N synthetic rubber is a copolymer of:

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  4. The two function groups present in a typical carbohydrate are

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  5. Which amino acid is chiral-

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  6. Biuret test is not given by :

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  7. The presence or absence of hydroxy group on which carbon atom of sugar...

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  8. Which one of the following statements is correct?

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  9. Which of the following compound can be detected by Molisch's test?

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

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  11. Synthesis of each molecule of glucose in photosynthesis involves :

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  12. Which one of the following base is not present in DNA-

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  13. Which one is classified as a condensation polymer ?

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

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  15. Which of the vitamins given below is water soluble ?

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  16. Which of the following compounds is not an antacid?

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  17. The formation of which of the following polymers involves hydrolysis r...

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  18. Which of the following compounds will behave as a reducing sugar in an...

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  19. Glucose on prolonged heating with HI gives

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  20. The predominant form of histamine present in human blood is (pKa, Hist...

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