Question 1

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

Accepted Answer

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

Question 2

Identify the final product of the following reaction. ​

Accepted Answer

A)  Terephthalic acid 
B)  Kevlar 
C)  Lexan 
D)  Nylon 6 
A)  Terephthalic acid 
B)  Kevlar 
C)  Lexan 
D)  Nylon 6

Question 3

The ratio of the weight average molecular weight to the number average molecular weight of a polymer was found to be 3:2. Which of the following statements is true about the polymer?

Accepted Answer

A)  It is monodisperse. 
B)  It has chains of varying length. 
C)  It has chains of equal length. 
D)  It has a polydispersity value of less than one. 
A)  It is monodisperse. 
B)  It has chains of varying length. 
C)  It has chains of equal length. 
D)  It has a polydispersity value of less than one.

Question 4

Which type of polymerization can be used to polymerize methyl 2-cyanoacrylate, H2C=C(CN)CO2CH3?

Accepted Answer

A)  anionic 
B)  cationic 
C)  radical 
D)  Ziegler-Natta 
A)  anionic 
B)  cationic 
C)  radical 
D)  Ziegler-Natta

Question 5

Provide the structure of polystyrene.

Accepted Answer

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

Question 6

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.
-____ Bakelite is this type of polymer.

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 7

Which type of polymerization is initiated by a mixture of naphthalene and sodium metal?

Accepted Answer

A)  anionic 
B)  cationic 
C)  radical 
D)  Ziegler-Natta 
A)  anionic 
B)  cationic 
C)  radical 
D)  Ziegler-Natta

Question 8

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 9

Thermosetting polymers continue to crosslink on heating followed by cooling to irreversibly produce an extremely hard material that cannot be remelted.

Accepted Answer

A) True 
 B)False

Question 10

Provide the structure of poly(butylene adipamide).

Accepted Answer

The answer of Provide the structure of poly(butylene adipamide)....

Question 11

Provide the structure of polyacetylene that is formed by ring-opening metathesis polymerization of 1,3,5,7-cyclooctatetraene.

Accepted Answer

The answer of Provide the structure of polyacetylene that is...

Question 12

High degrees of crystallinity are associated with polymers with weak intermolecular forces.

Accepted Answer

A) True 
 B)False

Question 13

Identify the compound that is not a conductive polymer.

Accepted Answer

A)  Polyphenylene vinylene 
B)  Polyvinyl chloride 
C)  Polypyrrole 
D)  Polyacetylene 
A)  Polyphenylene vinylene 
B)  Polyvinyl chloride 
C)  Polypyrrole 
D)  Polyacetylene

Question 14

Provide the structure of the poly(lactic acid) that is formed by base catalyzed ring opening polymerization of the dilactone shown below.

Accepted Answer

The answer of Provide the structure of the poly(lactic acid)...

Question 15

Which of the following combinations of terms best describes the polymerization of a diol and a diacid to form a polyester?

Accepted Answer

A)  step growth addition 
B)  step growth condensation 
C)  chain growth addition 
D)  chain growth condensation 
A)  step growth addition 
B)  step growth condensation 
C)  chain growth addition 
D)  chain growth condensation

Question 16

The following is an example of a polyurethane.

Accepted Answer

A) True 
 B)False

Question 17

The weight average molecular weight of a polymer was found to be 30,000, and the number average molecular weight of the compound was 20,000. What is the PDI of the polymer?

Accepted Answer

A)  0.0 
B)  1.0 
C)  1.5 
D)  0.5 
A)  0.0 
B)  1.0 
C)  1.5 
D)  0.5

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.
-____ Polymers obtained when two or more different monomers are allowed to polymerize together.

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

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 20

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.
-____ A polyurethane

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)  ​
​

Exam 29: Organic Polymer Chemistry

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

Identify the final product of the following reaction. ​

The ratio of the weight average molecular weight to the number average molecular weight of a polymer was found to be 3:2. Which of the following statements is true about the polymer?

Which type of polymerization can be used to polymerize methyl 2-cyanoacrylate, H2C=C(CN)CO2CH3?

Provide the structure of polystyrene.

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. -____ Bakelite is this type of polymer.

Which type of polymerization is initiated by a mixture of naphthalene and sodium metal?

What is the common name of the following polymer?

Thermosetting polymers continue to crosslink on heating followed by cooling to irreversibly produce an extremely hard material that cannot be remelted.

Provide the structure of poly(butylene adipamide).

Provide the structure of polyacetylene that is formed by ring-opening metathesis polymerization of 1,3,5,7-cyclooctatetraene.

High degrees of crystallinity are associated with polymers with weak intermolecular forces.

Identify the compound that is not a conductive polymer.

Provide the structure of the poly(lactic acid) that is formed by base catalyzed ring opening polymerization of the dilactone shown below.

Which of the following combinations of terms best describes the polymerization of a diol and a diacid to form a polyester?

The following is an example of a polyurethane.

The weight average molecular weight of a polymer was found to be 30,000, and the number average molecular weight of the compound was 20,000. What is the PDI of the polymer?

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______.

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. -____ A polyurethane

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

Identify the final product of the following reaction.

Which type of polymerization can be used to polymerize methyl 2-cyanoacrylate, H₂C=C(CN)CO₂CH₃?