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In cationic polymerizalion, the initiato...

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

A

`(iv)gt(iii)gt(ii)gt(i)`

B

`(ii)gt(iii)gt(iv)gt(i)`

C

`(iv)gt(i)gt(ii)gt(iii)`

D

`(iv)gt(ii)gt(iii)gt(i)`

Text Solution

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The correct Answer is:
A
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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 ?

Which of the following monomers has greatest ability to undergo cationic polymerisation?

Describe briefly: Cationic polymerization

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

Describe briefly: Anionic polymerization

Knowledge Check

  • The decreasing order of stability of following cations is

    A
    `P gt Q gt R gt S`
    B
    `Q gt S gt R gt P`
    C
    `Q gt P gt S gt R`
    D
    `Q gt P gt R gt S`

  • The decreasing order of stability of following cations is

    A
    `P gt R gt Q gt S`
    B
    `Q gt R gt S gt P`
    C
    `R gt S gt Q gt P`
    D
    `P gt R gt S gt Q`