The structure of the natural rubber, gutta-percha is to be drawn. Concept introduction: Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans − 1 , 4 − polyisoprene .

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Answer 1

Question

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

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(a) how many stereoisomers are possible? (b) how many chiral carbons are in the structure? (c) is this optically active?

Circle and name three functional groups within the molecule and place an * against any chiral carbons

Answer 2

Question

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

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Answer 3

Question

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

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Answer 4

Question

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

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Answer 5

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

Answer 6

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

Answer 7

Chapter 26.5, Problem 26.11P

(a)

Interpretation Introduction

Interpretation:

The structure of the natural rubber, gutta-percha is to be drawn.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The reason corresponding to the fact that gutta-percha is not vey elastic even after it is vulcanised is to be stated.

Concept introduction:

Gutt-percha is the polyterpene which formed by the polymer of isoprene unit. All the double bonds in this polyterpene are positioned in the trans configuration. Thus, it is also known as trans−1,4−polyisoprene.

The chemical process of making the rubber more strong and elastic by heating it with sulphur is known as vulcanization of rubber. In this process, a three-dimensional cross-linking of polyisoprene bonded with each other by sulphur atoms takes place.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 26.2A - Show the intermediate that would result if the...Ch. 26.2A - Prob. 26.2P Ch. 26.2A - Prob. 26.3P Ch. 26.2B - Prob. 26.4P Ch. 26.2B - Prob. 26.5P Ch. 26.2B - Chain branching occurs in cationic polymerization...Ch. 26.2C - Prob. 26.7P Ch. 26.2C - Prob. 26.8P Ch. 26.2C - Chain branching is not as common with anionic...Ch. 26.3 - Prob. 26.10P

Solution Summary: The author explains that the structure of the natural rubber, gutta-percha is to be drawn.

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Chapter 26 Solutions