Connect Online Access 1-Semester for Organic Chemistry
Connect Online Access 1-Semester for Organic Chemistry
6th Edition
ISBN: 9781260475609
Author: SMITH, Janice
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 28, Problem 24P
Interpretation Introduction

(a)

Interpretation: The structure of the polymer formed by chain-growth polymerization of given monomer is to be drawn.

Concept introduction: The simpler units which combine to form polymers are known as monomers. The process by which respective monomers combine to form polymers is known as polymerization.

Expert Solution
Check Mark

Answer to Problem 24P

The structure of the polymer formed by chain-growth polymerization of given monomer is,

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  1

Explanation of Solution

The given molecule is

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  2

Figure 1

The blue coloured ball has three bonds. So, this is the nitrogen atom. The red coloured ball has two bonds. So, this is the oxygen atom. The black coloured atoms have four bonds. So, these are the carbon atoms. The grey coloured balls have one bond. So, these are the hydrogen atoms. The molecular structure of the compound is,

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  3

Figure 2

Chain-growth polymerization is formed by the repetitive addition of monomer units containing double or triple bonds. If the monomer units undergoing addition are the same, the polymer is known as homopolymer.

The polymer formed by chain-growth polymerization of given monomer is shown below.

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  4

Figure 3

Conclusion

The structure of the polymer formed by chain-growth polymerization of given monomer is shown in Figure 3.

Interpretation Introduction

(b)

Interpretation: The structure of the polymer formed by chain-growth polymerization of given monomer is to be drawn.

Concept introduction: The simpler units which combine to form polymers are known as monomers. The process by which respective monomers combine to form polymers is known as polymerization.

Expert Solution
Check Mark

Answer to Problem 24P

The structure of the polymer formed by chain-growth polymerization of given monomer is,

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  5

Explanation of Solution

The given molecule is

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  6

Figure 4

The red coloured ball has two bonds. So, this is the oxygen atom. The black coloured atoms have four bonds. So, these are the carbon atoms. The grey coloured balls have one bond. So, these are the hydrogen atoms. The molecular structure of the compound is,

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  7

Figure 5

Chain-growth polymerization is formed by the repetitive addition of monomer units containing double or triple bonds. If the monomer units undergoing addition are the same, the polymer is known as homopolymer.

The polymer formed by chain-growth polymerization of given monomer is shown below.

Connect Online Access 1-Semester for Organic Chemistry, Chapter 28, Problem 24P , additional homework tip  8

Figure 6

Conclusion

The structure of the polymer formed by chain-growth polymerization of given monomer is shown in Figure 6.

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(c) The following data have been obtained for the hydrolysis of sucrose, C12H22O11, to glucose, C6H12O6, and fructose C6H12O6, in acidic solution: C12H22O11 + H2O → C6H12O6 + C6H12O6 [sucrose]/mol dm³ t/min 0 0.316 14 0.300 39 0.274 60 0.256 80 0.238 110 0.211 (i) Graphically prove the order of the reaction and determine the rate constant of the reaction. (ii) Determine the half-life, t½ for the hydrolysis of sucrose.
(III) adsorbent (b) Adsorption of the hexacyanoferrate (III) ion, [Fe(CN)6] ³, on y-Al2O3 from aqueous solution was examined. The adsorption was modelled using a modified Langmuir isotherm, yielding the following values of Kat pH = 6.5: (ii) T/K 10-10 K 280 2.505 295 1.819 310 1.364 325 1.050 Determine the enthalpy of adsorption, AadsHⓇ. If the reported value of entropy of adsorption, Aads Se = 146 J K-1 mol-1 under the above conditions, determine Aads Gº.
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