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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

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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

Draw a stepwise mechanism for the conversion of acrylonitrile (CH2=CHC≡N)to polyacrylonitrile, -[CH2=CHC≡N]n, using butyllithium(BuLi) as the initiator and CO2 as the electrophile to terminate the chain.

Draw the structure of the polymer formed by step-growth polymerization of each monomer or pair of monomers.

(a.)

(b.)

(c.)

(d.)

Which method of ionic polymerization-cationic or anionic-is preferred for each monomer? Explain your choices.

(a.)

(b.)

(c.)

(d.)

What polymer is formed by the radical polymerization of each monomer?

(a.)

(b.)

Explain why cationic polymerization is an effective method of polymerizing CH2=C(CH3)2 but notCH2=CH2 .
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