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Chapter 30: Question 30.14 (page 1211)

The polymerization under radical conditions affords products A and B. Draw a mechanism that accounts for their formation.

Short Answer

Expert verified

Answer

Mechanism of the reaction

Step by step solution

01

Buta-1,3-diene

Buta-1,3-diene is an organic compound made up of four carbons and consists of alternate double bonds.The polymerization of this compound has two possibilities of product formation:

  1. Original structure (which repeats several times)
  2. Branching
02

Formation of A

The initiation of the polymerization begins with the free radicals. The mechanism of formation of A is shown below.

Mechanism of formation of A

03

Formation of B

The same steps have to be followed for the formation of B. The mechanism is shown below.

Mechanism of formation of B

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Most popular questions from this chapter

Explain why diester A is now often used as a plasticizer in place of dibutyl phthalate.

Explain why radical polymerization of styrene forms branched chains with 4° carbons as in A, but none with 3° carbons as in B.

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Draw the mechanism for the radical polymerization of vinyl acetate (CH2=CHOCOCH3) using(CH3)3CO-OC(CH3)3 as the initiator.
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