Among the given terms, the term that explains reason for addition of water to cyanoacrylate has to be identified. Concept introduction: Anionic Polymerizations: It can be initiated by addition of a nucleophile to an activated Alkene . The most common nucleophiles used for this purpose are metal alkyls such as methyl- and sec-butyllithium. The newly formed carbanion then acts as a nucleophile and adds to another monomer unit, and the propagation continues.

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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 29.6, Problem BQ

Interpretation Introduction

Interpretation:

Among the given terms, the term that explains reason for addition of water to cyanoacrylate has to be identified.

Concept introduction:

Anionic Polymerizations: It can be initiated by addition of a nucleophile to an activated

Alkene. The most common nucleophiles used for this purpose are metal alkyls such as methyl- and sec-butyllithium. The newly formed carbanion then acts as a nucleophile and adds to another monomer unit, and the propagation continues.

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Why does the weak nucleophile, water, efficiently add to the cyanoacrylate? 1. Superglue must possess hydroxide as a promoter to initiate the polymerization in the presence of water. 2. The carbanion formed by nucleophilic addition of water is resonance-stabilized by two electron-withdrawing groups. 3. The zwitterion formed by addition of water is well solvated in the cyanoacrylate matrix of the glue. 4. Both 1 and 2.

6. Nylon 6 is commercially produced via the hydrolytic polymerization of E-caprolactam (azepan-2-one). The mechanism can occur via chain-growth and step-growth mechanisms. Draw these two mechanisms and explain which is expected to predominate.

Which illustrates a random co-polymer? а. b. wan d.

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 29.6, Problem BQ

Interpretation Introduction

Interpretation:

Among the given terms, the term that explains reason for addition of water to cyanoacrylate has to be identified.

Concept introduction:

Anionic Polymerizations: It can be initiated by addition of a nucleophile to an activated

Alkene. The most common nucleophiles used for this purpose are metal alkyls such as methyl- and sec-butyllithium. The newly formed carbanion then acts as a nucleophile and adds to another monomer unit, and the propagation continues.

Expert Solution & Answer

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Check out a sample textbook solution

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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 29.6, Problem BQ

Interpretation Introduction

Interpretation:

Among the given terms, the term that explains reason for addition of water to cyanoacrylate has to be identified.

Concept introduction:

Anionic Polymerizations: It can be initiated by addition of a nucleophile to an activated

Alkene. The most common nucleophiles used for this purpose are metal alkyls such as methyl- and sec-butyllithium. The newly formed carbanion then acts as a nucleophile and adds to another monomer unit, and the propagation continues.

Expert Solution & Answer

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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 29.6, Problem BQ

Interpretation Introduction