The mechanism for the conversion of acrylonitrile ( CH 2 = CHC ≡ N ) to polyacrylonitrile, − [ CH 2 CHC ≡ N ] n − , using butyllithium ( BuLi ) as the initiator and CO 2 as the electrophile to terminate the chain 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 .

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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 30, Problem 30.8P

Interpretation Introduction

Interpretation: The mechanism for the conversion of acrylonitrile (CH2=CHC≡N) to polyacrylonitrile, −[CH2CHC≡N]n−, using butyllithium (BuLi) as the initiator and CO2 as the electrophile to terminate the chain 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.

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How many signals do you expect in the H NMR spectrum for this molecule? Br Br Write the answer below. Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H atoms that would contribute to the same signal as the H already highlighted red. Note for advanced students: In this question, any multiplet is counted as one signal. Number of signals in the 'H NMR spectrum. For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in top molecule For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in bottom molecule

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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 30, Problem 30.8P

Interpretation Introduction

Interpretation: The mechanism for the conversion of acrylonitrile (CH2=CHC≡N) to polyacrylonitrile, −[CH2CHC≡N]n−, using butyllithium (BuLi) as the initiator and CO2 as the electrophile to terminate the chain 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.

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Check out a sample textbook solution

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Answer 3

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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 30, Problem 30.8P

Interpretation Introduction

Interpretation: The mechanism for the conversion of acrylonitrile (CH2=CHC≡N) to polyacrylonitrile, −[CH2CHC≡N]n−, using butyllithium (BuLi) as the initiator and CO2 as the electrophile to terminate the chain 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 & 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 30, Problem 30.8P

Interpretation Introduction