The monomer of polymer CH_2-C(CH_3)_2-CH_2-C^ (CH_3)_2 is:

JEE Main Chemistry question

Not in JEE Main or NEET syllabus

The monomer of polymer \sim CH_2-C(CH_3)_2-CH_2-C^{\oplus}(CH_3)_2 is:

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

The growing chain fragment shown, \sim CH_2-C(CH_3)_2-CH_2-C^{\oplus}(CH_3)_2, is the tertiary carbocation intermediate formed during cationic polymerisation of isobutylene (2-methylpropene), — each repeating unit traces

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Question ID VK-151544