A mechanism for a base-catalyzed polymerization of methyl α-methacrylate is to be drawn. Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. Depending upon the mode of polymerization, polymerization mainly occurs by addition and condensation polymerization reactions. Copolymers are formed when two or more different monomers condensed together in a polymerization reaction. Methyl methacrylate is the methyl ester of methacrylic acid and it easily polymerizes to form polymethyl methacrylate. To determine: A mechanism for a base-catalyzed polymerization of methyl-α-methacrylate .

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Answer 1

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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 8.16C, Problem 8.42P

Interpretation Introduction

Interpretation: A mechanism for a base-catalyzed polymerization of methyl α-methacrylate is to be drawn.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. Depending upon the mode of polymerization, polymerization mainly occurs by addition and condensation polymerization reactions. Copolymers are formed when two or more different monomers condensed together in a polymerization reaction. Methyl methacrylate is the methyl ester of methacrylic acid and it easily polymerizes to form polymethyl methacrylate.

To determine: A mechanism for a base-catalyzed polymerization of methyl-α-methacrylate.

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1) a) Give the dominant Intermolecular Force (IMF) in a sample of each of the following compounds. Please show your work. (8) SF2, CH,OH, C₂H₂ b) Based on your answers given above, list the compounds in order of their Boiling Point from low to high. (8)

19.78 Write the products of the following sequences of reactions. Refer to your reaction road- maps to see how the combined reactions allow you to "navigate" between the different functional groups. Note that you will need your old Chapters 6-11 and Chapters 15-18 roadmaps along with your new Chapter 19 roadmap for these. (a) 1. BHS 2. H₂O₂ 3. H₂CrO4 4. SOCI₂ (b) 1. Cl₂/hv 2. KOLBU 3. H₂O, catalytic H₂SO4 4. H₂CrO4 Reaction Roadmap An alkene 5. EtOH 6.0.5 Equiv. NaOEt/EtOH 7. Mild H₂O An alkane 1.0 2. (CH3)₂S 3. H₂CrO (d) (c) 4. Excess EtOH, catalytic H₂SO OH 4. Mild H₂O* 5.0.5 Equiv. NaOEt/EtOH An alkene 6. Mild H₂O* A carboxylic acid 7. Mild H₂O* 1. SOC₁₂ 2. EtOH 3.0.5 Equiv. NaOEt/E:OH 5.1.0 Equiv. NaOEt 6. NH₂ (e) 1. 0.5 Equiv. NaOEt/EtOH 2. Mild H₂O* Br (f) i H An aldehyde 1. Catalytic NaOE/EtOH 2. H₂O*, heat 3. (CH,CH₂)₂Culi 4. Mild H₂O* 5.1.0 Equiv. LDA Br An ester 4. NaOH, H₂O 5. Mild H₂O* 6. Heat 7. MgBr 8. Mild H₂O* 7. Mild H₂O+

Li+ is a hard acid. With this in mind, which if the following compounds should be most soluble in water? Group of answer choices LiBr LiI LiF LiCl

Answer 2

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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 8.16C, Problem 8.42P

Interpretation Introduction

Interpretation: A mechanism for a base-catalyzed polymerization of methyl α-methacrylate is to be drawn.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. Depending upon the mode of polymerization, polymerization mainly occurs by addition and condensation polymerization reactions. Copolymers are formed when two or more different monomers condensed together in a polymerization reaction. Methyl methacrylate is the methyl ester of methacrylic acid and it easily polymerizes to form polymethyl methacrylate.

To determine: A mechanism for a base-catalyzed polymerization of methyl-α-methacrylate.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

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 8.16C, Problem 8.42P

Interpretation Introduction

Interpretation: A mechanism for a base-catalyzed polymerization of methyl α-methacrylate is to be drawn.

Concept introduction: The polymers (repeating structural units) are derived from the simple and reactive molecules, called as monomers. Depending upon the mode of polymerization, polymerization mainly occurs by addition and condensation polymerization reactions. Copolymers are formed when two or more different monomers condensed together in a polymerization reaction. Methyl methacrylate is the methyl ester of methacrylic acid and it easily polymerizes to form polymethyl methacrylate.

To determine: A mechanism for a base-catalyzed polymerization of methyl-α-methacrylate.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

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 8.16C, Problem 8.42P

Interpretation Introduction