Question 1

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  True

Question 2

Which of the following combinations of terms best describes the polymerization of a diisocyanate (OCN-R-NCO) and a diol to form a polyurethane?

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 A

Question 3

What is the name of the following polymer?

Accepted Answer

A) poly(hexamethylene adipate) 
B) poly(hexamethylene adipamide) 
C) poly(hexamethylene succinate) 
D) poly(tetramethylene adipamide) 
A) poly(hexamethylene adipate) 
B) poly(hexamethylene adipamide) 
C) poly(hexamethylene succinate) 
D) poly(tetramethylene adipamide) B

Question 4

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.
-____ Characteristic of crystallites

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 5

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 6

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 7

Provide the structure of poly(propylene oxide) that is formed by base catalyzed ring opening polymerization of the propylene oxide shown below.

Accepted Answer

The answer of Provide the structure of poly(propylene oxide) that...

Question 8

Which of the following relationships is not true?

Accepted Answer

A) Tg m 
B) Mw $\ge$Mn 
C) polydispersity index $\le$ 1 
D) Mn = (average degree of polymerization, n) * (molecular weight of repeat unit) 
A) Tg m 
B) Mw $\ge$Mn 
C) polydispersity index $\le$ 1 
D) Mn = (average degree of polymerization, n) * (molecular weight of repeat unit)

Question 9

Provide the structure of poly(ethylene succinate).

Accepted Answer

The answer of Provide the structure of poly(ethylene succinate)....

Question 10

What type of intermediate is formed in the polymerization of styrene with butyllithium?

Accepted Answer

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

Question 11

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 Ziegler-Natta catalyst

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 12

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.
-___ Isotactic propylene

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 13

Consider the polymeric structure below for amylose (a type of starch).   The structure for the monomer is given below.

Accepted Answer

A) True 
 B)False

Question 14

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 15

Which type of polymerization can be used to polymerize isobutylene, (CH3)2C=CH2?

Accepted Answer

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

Question 16

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 17

Ziegler-Natta catalysts, used to prepare linear polymer molecules, consist of: organoaluminum compounds and transition metal salts.

Accepted Answer

A) True 
 B)False

Question 18

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 19

Provide the structure of poly(butylene adipamide).

Accepted Answer

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

Question 20

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...

Exam 29: Organic Polymer Chemistry

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

Which of the following combinations of terms best describes the polymerization of a diisocyanate (OCN-R-NCO) and a diol to form a polyurethane?

What is the name of the following polymer?

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. -____ Characteristic of crystallites

What is the common name of the following polymer?

What type of polymer is shown?

Provide the structure of poly(propylene oxide) that is formed by base catalyzed ring opening polymerization of the propylene oxide shown below.

Which of the following relationships is not true?

Provide the structure of poly(ethylene succinate).

What type of intermediate is formed in the polymerization of styrene with butyllithium?

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 Ziegler-Natta catalyst

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. -___ Isotactic propylene

Consider the polymeric structure below for amylose (a type of starch). The structure for the monomer is given below.

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 can be used to polymerize isobutylene, (CH3)2C=CH2?

Ziegler-Natta catalysts, used to prepare linear polymer molecules, consist of: organoaluminum compounds and transition metal salts.

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

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.

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

Which type of polymerization can be used to polymerize isobutylene, (CH₃)₂C=CH₂?

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