The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn. Concept introduction: An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Question

13. (11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B Bond A Bond C a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. Weakest Bond Strongest Bond b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. c. (5pts) Use principles discussed in lecture, supported by relevant structures, to succinctly explain the why your part b (i) radical is more stable than your part b(ii) radical. Written explanation can be no more than one-two succinct sentence(s)! Google

Answer 1

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

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13. (11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B Bond A Bond C a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. Weakest Bond Strongest Bond b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. c. (5pts) Use principles discussed in lecture, supported by relevant structures, to succinctly explain the why your part b (i) radical is more stable than your part b(ii) radical. Written explanation can be no more than one-two succinct sentence(s)! Google

Print Last Name, First Name Initial Statifically more chances to abstract one of these 6H 11. (10pts total) Consider the radical chlorination of 1,3-diethylcyclohexane depicted below. 4 4th total • 6H total 래 • 4H total 21 total ZH 2H Statistical H < 3° C-H weakest - product abstraction here bund leads to thermo favored a) (6pts) How many unique mono-chlorinated products can be formed and what are the structures for the thermodynamically and statistically favored products? Product 6 Number of Unique Mono-Chlorinated Products Thermodynamically Favored Product Statistically Favored Product b) (4pts) Draw the arrow pushing mechanism for the FIRST propagation step (p-1) for the formation of the thermodynamically favored product. Only draw the p-1 step. You do not need to include lone pairs of electrons. No enthalpy calculation necessary H H-Cl Waterfox

10. (5pts) Provide the complete arrow pushing mechanism for the chemical transformation → depicted below Use proper curved arrow notation that explicitly illustrates all bonds being broken, and all bonds formed in the transformation. Also, be sure to include all lone pairs and formal charges on all atoms involved in the flow of electrons. CH3O II HA H CH3O-H H ①

Answer 2

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

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Answer 3

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

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Answer 4

Question

Definition Definition Chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that vary in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes.

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

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Answer 5

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 6

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 7

Chapter 29, Problem 29.38P

(a)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The structure of the polymer formed from ring-opening metathesis polymerization of given monomer has to be drawn.

Concept introduction:

An unsaturated polymer in which the number of double bonds in the polymer is the same as that in the monomers polymerized. This process is called ring-opening metathesis polymerization.

Answer 14

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Answer 25

Ch. 29.2 - Prob. 29.1P Ch. 29.5 - Prob. 29.2P Ch. 29.6 - Prob. AQ Ch. 29.6 - Prob. BQ Ch. 29.6 - Prob. CQ Ch. 29.6 - Prob. DQ Ch. 29.6 - Prob. EQ Ch. 29.6 - Prob. FQ Ch. 29.6 - Prob. 29.3P Ch. 29.6 - Prob. 29.4P

Solution Summary: The author describes ring-opening metathesis polymerization and ROMP reactions.

Chapter 29 Solutions