Question 1

What is the common name of the following polymer?

Accepted Answer

A) Kevlar 
B) PET 
C) Nylon-6 
D) Nylon-6,6 
A) Kevlar 
B) PET 
C) Nylon-6 
D) Nylon-6,6

Question 2

Provide the structure of polystyrene.

Accepted Answer

The answer of Provide the structure of polystyrene....

Question 3

What type of polymer is shown?

Accepted Answer

A) polycarbonate 
B) polyester 
C) polyurethane 
D) polyether 
A) polycarbonate 
B) polyester 
C) polyurethane 
D) polyether

Question 4

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Accepted Answer

A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoregular 
A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoregular

Question 5

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N2.

Accepted Answer

Question 6

Consider the structure given below which might be found in a protein.   Answer the following questions by filling in the blank with the appropriate word or term.
-This polymer would be classified as a poly______.

Accepted Answer

The answer of Consider the structure given below which might...

Question 7

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Amorphous polymers that have the ability to stretch out and spring back to their original shape.

Accepted Answer

A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)  
A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)

Question 8

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Accepted Answer

A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoirregular 
A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoirregular

Question 9

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided.
-_________________

Accepted Answer

The answer of Classify each polymer below as step-growth or...

Question 10

Consider the structure given below which might be found in a protein.   Answer the following questions by filling in the blank with the appropriate word or term.
-The number of types of monomers in this structure is _______.

Accepted Answer

The answer of Consider the structure given below which might...

Question 11

The following arrangement indicates a crosslinked polymer.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not true?

Accepted Answer

A) crystalline polymers are more opaque than amorphous polymers 
B) thermoplastic polymers can be melted 
C) polymers become flexible above their Tg 
D) elastomers are elastic below Tg 
A) crystalline polymers are more opaque than amorphous polymers 
B) thermoplastic polymers can be melted 
C) polymers become flexible above their Tg 
D) elastomers are elastic below Tg

Question 13

What type of intermediate is formed in the polymerization of isobutylene with BF3/H2O?

Accepted Answer

A) carbocation 
B) carbanion 
C) radical 
D) radical anion 
A) carbocation 
B) carbanion 
C) radical 
D) radical anion

Question 14

Consider the structure given below which might be found in a protein.   Answer the following questions by filling in the blank with the appropriate word or term.
-Nitroethylene is expected to be _______ reactive than ethylene toward anionic polymerization.

Accepted Answer

The answer of Consider the structure given below which might...

Question 15

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Produced by reactions in which each bond in the polymer is formed independently of the others.

Accepted Answer

A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)  
A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)

Question 16

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided.
-_________________

Accepted Answer

The answer of Classify each polymer below as step-growth or...

Question 17

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided.
-_________________

Accepted Answer

The answer of Classify each polymer below as step-growth or...

Question 18

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.
-____ Absent in amorphous domains

Accepted Answer

A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)  
A) crystallite 
B) elastomer 
C) chain-growth polymer 
D) Al(CH2CH3)3 + TiCl4 
E)  
F) 
G)thermoplastic
H)homopolymer
I)Tm
J)epoxy resins
K)copolymers
L)step-growth polymer
M)"catalyst"
N)Tg
O) 
P)

Question 19

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Accepted Answer

A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoirregular 
A) atactic 
B) isotactic 
C) syndiotactic 
D) stereoirregular

Question 20

Consider the structure given below which might be found in a protein.   Answer the following questions by filling in the blank with the appropriate word or term.
-Nitroethylene is expected to be _______ reactive than ethylene toward cationic polymerization.

Accepted Answer

The answer of Consider the structure given below which might...

Exam 29: Organic Polymer Chemistry

What is the common name of the following polymer?

Provide the structure of polystyrene.

What type of polymer is shown?

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N2.

Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -This polymer would be classified as a poly______.

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided. -_________________

Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -The number of types of monomers in this structure is _______.

The following arrangement indicates a crosslinked polymer.

Which of the following is not true?

What type of intermediate is formed in the polymerization of isobutylene with BF3/H2O?

Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -Nitroethylene is expected to be _______ reactive than ethylene toward anionic polymerization.

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided. -_________________

Classify each polymer below as step-growth or chain-growth. Place the appropriate term in the blank provided. -_________________

MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes. -____ Absent in amorphous domains

Which term describes the arrangement of substituents on the segment of polypropylene shown below?

Consider the structure given below which might be found in a protein. Answer the following questions by filling in the blank with the appropriate word or term. -Nitroethylene is expected to be _______ reactive than ethylene toward cationic polymerization.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Filters

Provide the structure of azoisobutyronitrile, AIBN, and show the mechanism whereby it undergoes thermal decomposition to give two radicals and a molecule of N₂.

What type of intermediate is formed in the polymerization of isobutylene with BF₃/H₂O?