Question 1

Name the monomer used in the production of neoprene.

Accepted Answer

2-chloro-1

Question 2

Which of the following species can best serve as a radical initiator for radical polymerization?

Accepted Answer

A) ROH 
B) ROR 
C) ROOR 
D) RCOOR 
E) RCOOH 
A) ROH 
B) ROR 
C) ROOR 
D) RCOOR 
E) RCOOH

Question 3

Draw the structure of the polymer produced in the following reaction.

Accepted Answer

The answer of Draw the structure of the polymer produced...

Question 4

Give the purpose of the amine in the formation of the epoxy resin.

Accepted Answer

A) a softener 
B) hardener 
C) a monomer in the reaction 
D) to dehydrate the monomer 
E) to chill the polymer 
A) a softener 
B) hardener 
C) a monomer in the reaction 
D) to dehydrate the monomer 
E) to chill the polymer

Question 5

Draw the structure of the polymer that results when methyl α-cyanoacrylate undergoes polymerization.By what name is this polymer commonly known?

Accepted Answer

This polym

Question 6

Vulcanization involves crosslinking of polymer chains through

Accepted Answer

A) disulfide bonds 
B) amide bonds 
C) ester bonds 
D) double bonds 
E) manual twisting 
A) disulfide bonds 
B) amide bonds 
C) ester bonds 
D) double bonds 
E) manual twisting

Question 7

What monomers formed the following polymer?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 8

Chain-growth polymerization proceeds by which of the following mechanisms?

Accepted Answer

A) radical polymerization 
B) cationic polymerization 
C) anionic polymerization 
D) A and B 
E) A,B,and C 
A) radical polymerization 
B) cationic polymerization 
C) anionic polymerization 
D) A and B 
E) A,B,and C

Question 9

Show the mechanism for the formation of a segment of polystyrene containing two molecules of styrene and initiated by hydrogen peroxide.

Accepted Answer

The answer of Show the mechanism for the formation of...

Question 10

Which of the following is the chain-initiating step in the cationic polymerization of propene?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 11

Chain-growth polymerization exhibits a marked preference for

Accepted Answer

A) tail-to-tail addition 
B) head-to-head addition 
C) head-to-tail addition 
D) head-to-middle addition 
E) middle-to-tail addition 
A) tail-to-tail addition 
B) head-to-head addition 
C) head-to-tail addition 
D) head-to-middle addition 
E) middle-to-tail addition

Question 12

The choice of mechanism in chain-growth polymerization depends on which of the following?

Accepted Answer

A) structure of the monomer and initiator used 
B) structure of the polymer and initiator used 
C) temperature and pressure of the reaction 
D) A and B 
E) A,B,and C 
A) structure of the monomer and initiator used 
B) structure of the polymer and initiator used 
C) temperature and pressure of the reaction 
D) A and B 
E) A,B,and C

Question 13

Which of the following is more likely to form non-terminated polymeric chains called living polymers?

Accepted Answer

A) cationic polymerization 
B) free radical polymerization 
C) anionic polymerization 
D) A and B 
E) A and C 
A) cationic polymerization 
B) free radical polymerization 
C) anionic polymerization 
D) A and B 
E) A and C

Question 14

Identify the monomer(s)that undergo cationic polymerization.You may choose more than one answer.

Accepted Answer

A) styrene 
B) methyl methacrylate 
C) vinyl chloride 
D) methyl vinyl ether 
E) acrylamide 
A) styrene 
B) methyl methacrylate 
C) vinyl chloride 
D) methyl vinyl ether 
E) acrylamide

Question 15

Which of the following statements best describes what alpha olefins are?

Accepted Answer

A) polysubstituted ethylenes 
B) monosubstituted ethylenes 
C) disubstituted ethylenes 
D) ethylenes 
E) isoprenes 
A) polysubstituted ethylenes 
B) monosubstituted ethylenes 
C) disubstituted ethylenes 
D) ethylenes 
E) isoprenes

Question 16

Which of the following species can best serve as an initiator for anionic polymerization?

Accepted Answer

A) CH3CH2CH2CH2Li 
B) BF3 
C) HOOH 
D) CH3CH2CH2CH2OH 
E) CH3CH2CH2CH2OCH2CH2CH2CH3 
A) CH3CH2CH2CH2Li 
B) BF3 
C) HOOH 
D) CH3CH2CH2CH2OH 
E) CH3CH2CH2CH2OCH2CH2CH2CH3

Question 17

In a recycling symbol,the ________ the number in the middle of the symbol,the more easily the compound can be recycled.

Accepted Answer

The answer of In a recycling symbol,the ________ the number...

Question 18

What are elastomers?

Accepted Answer

A) elastic organic molecules that are added to polymers to make them harder 
B) plastics that stretch and then revert to their original shape 
C) polymers that are soft and sticky 
D) plastics that are hard and brittle 
E) elastic molecules that are added to polymers to make them stretch more 
A) elastic organic molecules that are added to polymers to make them harder 
B) plastics that stretch and then revert to their original shape 
C) polymers that are soft and sticky 
D) plastics that are hard and brittle 
E) elastic molecules that are added to polymers to make them stretch more

Question 19

Is acrylonitrile more likely to undergo anionic or cationic polymerization? Explain your answer.

Accepted Answer

Acrylonitrile is more likely t

Question 20

Which of the following polymers is arranged in an isotactic configuration?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Exam 27: Synthetic Polymers

Name the monomer used in the production of neoprene.

Which of the following species can best serve as a radical initiator for radical polymerization?

Draw the structure of the polymer produced in the following reaction.

Give the purpose of the amine in the formation of the epoxy resin.

Draw the structure of the polymer that results when methyl α-cyanoacrylate undergoes polymerization.By what name is this polymer commonly known?

Vulcanization involves crosslinking of polymer chains through

What monomers formed the following polymer?

Chain-growth polymerization proceeds by which of the following mechanisms?

Show the mechanism for the formation of a segment of polystyrene containing two molecules of styrene and initiated by hydrogen peroxide.

Which of the following is the chain-initiating step in the cationic polymerization of propene?

Chain-growth polymerization exhibits a marked preference for

The choice of mechanism in chain-growth polymerization depends on which of the following?

Which of the following is more likely to form non-terminated polymeric chains called living polymers?

Identify the monomer(s)that undergo cationic polymerization.You may choose more than one answer.

Which of the following statements best describes what alpha olefins are?

Which of the following species can best serve as an initiator for anionic polymerization?

In a recycling symbol,the ________ the number in the middle of the symbol,the more easily the compound can be recycled.

What are elastomers?

Is acrylonitrile more likely to undergo anionic or cationic polymerization? Explain your answer.

Which of the following polymers is arranged in an isotactic configuration?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Pericyclic Reactions

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