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Chapter 30: Question 30.15 (page 1212)

What polyamide is formed from each monomer or pair of monomers?

(a.)

(b.)

(c.)

Short Answer

Expert verified

Answer

(a.)First polymer

(b.)Second polymer

(c.)Third polymer

Step by step solution

01

Polyamides

Polyamides are polymers made from amino group linkages and carboxylic acid molecule. It also consist of synthetic fibres, eg. Nylon.

02

Formation of the first polymer

The groups present at the end of the monomer will become NH and it joins the alkyl group. The reaction is shown below.

Formation of first polymer

03

Formation of the second polymer

The given monomer reacts with water. This will result in the opening of the ring. The oxygen atom and the NH group remain unchanged. The reaction is shown below.

Formation of the second polymer

04

Formation of the third polymer

NH2groups present at the end of the monomer will become NH and it joins the alkyl group. The reaction is shown below.

Formation of the third polymer

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Most popular questions from this chapter

(a) Draw the structure of the prepolymer A formed from 1,4-dihydroxybenzene and excess epichlorohydrin. (b) Draw the structure of the cross-linked polymer B formed when A is treated with H2NCH2CH2CH2NH2as the hardening agent.

Draw a stepwise mechanism for Step [2] in Figure 30.7 using the Lewis acid catalyst.

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

Draw a stepwise mechanism for the conversion of dihalide A and cyclohexane-1,4-diol to polyether B in the presence of AlCl3.

Draw the alternating copolymer formed from each set of monomers.

(a.)and

(b.)

and
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