Deck 28: Polymers

Question 1

Which of the following can be classified as a homopolymer?

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

Answer 1

III

Question 2

Which of the following polymers has the highest glass transition temperature (T_g)?

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

Answer 2

IV

Question 3

Which of the following is polyethylene?

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

Answer 3

I

Question 4

What is the product when the following molecule is treated with a polymerization catalyst (ROOR)?

A)I
B)II
C)III
D)IV
E)A mixture of I and II

Question 5

What starting material can be used to make the following polymer?

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

Question 6

What is the repeating unit of the following polymer?

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

Question 7

What is the product of the following cationic polymerization reaction?

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

Question 8

What is the repeating unit of the following polymer?

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

Question 9

Which of the following polymers is the most water soluble?

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

Question 10

What type of reaction best describes the polymerization of the following monomers?

A)Radical polymerization
B)Anionic polymerization
C)Cationic polymerization
D)Ring-opening polymerization
E)Step-growth polymerization

Question 11

Which of the following can be considered a polyamide?

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

Question 12

What monomer can be reacted with benzoyl peroxide in the presence of heat to produce polystyrene?

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

Question 13

What monomer can be reacted with benzoyl peroxide in the presence of heat to produce polyethylene?

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

Question 14

What is the repeating unit of the following polymer?

A)I
B)II
C)III
D)IV
E)None of these is the repeating unit.

Question 15

Which of the following can be considered a polyester?

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

Question 16

Which of the following monomers would react the slowest in an anionic polymerization initiated by the addition of butyl lithium?

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

Question 17

Which of the following monomers would undergo cationic polymerization at the fastest rate after treatment with acid?

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

Question 18

Which of the following polymers has the highest glass transition temperature (T_g)?

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

Question 19

What product results when the following molecule is treated with a polymerization catalyst (ROOR)?

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

Question 20

Which of the following can be classified as a copolymer?

A)I
B)II
C)III
D)IV
E)None of these is a copolymer.

Question 21

Give the repeating unit for the following polymer.

Question 22

Give the product of the following radical polymerization.

Question 23

Which of the following polymers is the most water soluble?

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

Question 24

Give the product of the following radical polymerization.

Question 25

Give the repeating unit for the following polymer.

Question 26

Draw the mechanism for the following anionic polymerization.Include two propagation steps,and terminate the reaction using H₃O⁺.

Question 27

Which of the following results when protein subunits combine to form a larger structure?

A)Primary structure
B)Secondary structure
C)Tertiary structure
D)Quaternary structure
E)None of these

Question 28

Show the monomer needed to make polyvinyl chloride using radical polymerization.

Question 29

Which of the following describes the location of all of a protein's atoms in three-dimensional space?

A)Primary structure
B)Secondary structure
C)Tertiary structure
D)Quaternary structure
E)None of these

Question 30

The main chain glucose units in amylose are connected by which type of glycosidic linkages?

A)α-1,4'-glycosidic linkages
B)α-1,6'-glycosidic linkages
C)β-1,4'-glycosidic linkages
D)β-1,5'-glycosidic linkages
E)β-1,6'-glycosidic linkages

Question 31

Identify the class of the following polymer based on its functional group.

Question 32

Give the product and mechanism for the following polymerization reaction.Include initiation,termination,and two propagation steps.

Question 33

What is the product of the following step-growth polymerization?

Question 34

What is the name of the following polymer?

Question 35

Give the repeating unit for the following polymer.

Question 36

What is the name of the following polymer?

Question 37

Polymers that are formed by two different types of monomers polymerizing together are called ________.

Question 38

Identify the class of the following polymer based on its functional group.

Question 39

Show the monomer needed to make polystyrene using radical polymerization.

Question 40

An $\alpha$ -helix is an example of which type of protein structure?

A)Primary structure
B)Secondary structure
C)Tertiary structure
D)Quaternary structure
E)None of these

Question 41

Draw the mechanism and give the product for the following anionic polymerization.Include two propagation steps,and terminate the reaction using H₃O⁺.

Question 42

What staring material is required for the following anionic ring-opening polymerization?

Question 43

Give the mechanism and product for the following chain growth polymerization.Include two cycles of propagation.

Question 44

Which of the following polymers has the lowest melting point (T_m)?

Question 45

Draw two cysteines linked by a disulfide bond.

Question 46

Which of the following polymers has the highest glass transition temperature (T_g)?

Question 47

Explain why humans can digest amalose but not cellulose.

Question 48

Which of the following polymers is more water soluble?

Question 49

What is the structural difference between amylopectin and amalose?

Question 50

What are the two most common types of secondary structure?

Question 51

Draw the mechanism and give the product for the following cationic polymerization.Include two propagation steps,and terminate the reaction using hydroxide.