Which of the following alkenes is the most reactive towards cationic polymerisation?

C H_{2} = C H C H_{3}

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H_{2} C = C H C l

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H_{2} C = C H C_{6} H_{5}

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H_{2} C = C H C O_{2} C H_{3}

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Solution

The correct option is D $H_{2} C = C H C_{6} H_{5}$
The reactivity of alkenes towards cationic polymerisation increases as the stability of the intermediate carbocation increases.
In $H_{2} C = C H C_{6} H_{5}$ , the carbocation is stabilized by resonance, thus is most reactive towards cationic polymerisation.

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Similar questions

H_{2} C = {C H C H}_{3}

H_{2} C = C H C l

H_{2} C = C H - C_{6} H_{5}

H_{2} C = {C H C O}_{2} {C H}_{3}

Which of the following alkenes is most reactive towards cationic polymerisation?

H_{2} C = C H - C H = C H_{2}

C H \equiv C H

C H_{2} = C H_{2}

H_{2} C = C H - C l

H C | C l = C H | C l

- E

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