Question 1

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 2

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 3

What type of polymer is shown?

Accepted Answer

A)  polyamide 
B)  polyurea 
C)  polyurethane 
D)  polyamine 
A)  polyamide 
B)  polyurea 
C)  polyurethane 
D)  polyamine

Question 4

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 5

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)

Question 6

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 7

Which of the following relationships is not true?

Accepted Answer

A)  Tg m 
B)  Mw ≥ Mn 
C)  polydispersity index ≤ 1 
D)  Mn = (average degree of polymerization, n) × (molecular weight of repeat unit) 
A)  Tg m 
B)  Mw ≥ Mn 
C)  polydispersity index ≤ 1 
D)  Mn = (average degree of polymerization, n) × (molecular weight of repeat unit)

Question 8

Provide the mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.

Accepted Answer

The answer of Provide the mechanism for backbiting of a...

Which term describes the arrangement of substituents on the segment of polypropylene shown 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. -___ Isotactic propylene

What type of polymer is shown?

What is the common name of the following polymer?

What is the name of the following polymer?

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 mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.

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

Exam 29: Organic Polymer Chemistry

Which term describes the arrangement of substituents on the segment of polypropylene shown 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. -___ Isotactic propylene

What type of polymer is shown?

What is the common name of the following polymer?

What is the name of the following polymer?

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 mechanism for backbiting of a radical chain end of polyethylene, which results in a butyl side chain on the polymer backbone.

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