Question 1

SBR (styrene-butadiene rubber)is used in the manufacturing of automobile tires.Provide the structure of this polymer.

Accepted Answer

The answer of SBR (styrene-butadiene rubber)is used in the manufacturing...

Question 2

Which of the following polymers are classified as elastomers?

Accepted Answer

A) spandex 
B) natural rubber 
C) HDPE 
D) A & B 
E) all of these 
A) spandex 
B) natural rubber 
C) HDPE 
D) A & B 
E) all of these

Question 3

Arrange the following monomers in decreasing order of reactivity towards anionic polymerization?

Accepted Answer

A) I>III>II 
B) II>III>I 
C) III>II>I 
D) II>I>III 
E) III>I>II 
A) I>III>II 
B) II>III>I 
C) III>II>I 
D) II>I>III 
E) III>I>II

Question 4

Which one of the following is not a biopolymer?

Accepted Answer

A) amylopectin 
B) DNA 
C) glycogen 
D) chitin 
E) none of these 
A) amylopectin 
B) DNA 
C) glycogen 
D) chitin 
E) none of these

Question 5

Which one of the following is the correct structure for polystyrene?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) none of these 
A) I 
B) II 
C) III 
D) IV 
E) none of these

Question 6

Which of the following types of polyethylene is used to make trash bags?

Accepted Answer

A) HDPE 
B) LDPE 
C) MDPE 
D) A & C 
E) none of these 
A) HDPE 
B) LDPE 
C) MDPE 
D) A & C 
E) none of these

Question 7

Arrange the following monomers in decreasing order of reactivity towards cationic polymerization?

Accepted Answer

A) I>III>II 
B) II>I>III 
C) III>II>I 
D) II>III>I 
E) III>I>II 
A) I>III>II 
B) II>I>III 
C) III>II>I 
D) II>III>I 
E) III>I>II

Question 8

Which of the following functional groups are common in biodegradable polymers?

Accepted Answer

A) esters 
B) amides 
C) anhydrides 
D) A & B 
E) A & C 
A) esters 
B) amides 
C) anhydrides 
D) A & B 
E) A & C

Question 9

The following polymer is classified as a(an)________.

Accepted Answer

A) homopolymer 
B) block copolymer 
C) graft copolymer 
D) alternating copolymer 
E) random copolymer 
A) homopolymer 
B) block copolymer 
C) graft copolymer 
D) alternating copolymer 
E) random copolymer

Question 10

Polymerization of ethylene in the presence of a Ziegler-Natta catalyst results in _______.

Accepted Answer

A) LDPE 
B) MDPE 
C) HDPE 
D) B & C 
E) none of these 
A) LDPE 
B) MDPE 
C) HDPE 
D) B & C 
E) none of these

Question 11

Draw a possible segment of isotactic polyacrylonitrile.

Accepted Answer

The answer of Draw a possible segment of isotactic polyacrylonitrile....

Question 12

Which of the following processes is used in the recycling of soft drink bottles made of PET?

Accepted Answer

A) esterification 
B) acid hydrolysis 
C) melting 
D) B & C 
E) none of these 
A) esterification 
B) acid hydrolysis 
C) melting 
D) B & C 
E) none of these

Question 13

Provide the structure of the polymer that is produced when the following monomers are treated in the presence of dilute NaOH.

Accepted Answer

The answer of Provide the structure of the polymer that...

Question 14

Which of the following is used as an initiator in radical polymerization?

Accepted Answer

A) BF3,H2O 
B) CH3CH2CH2CH2Li 
C) ROOR 
D) NaOH 
E) none of these 
A) BF3,H2O 
B) CH3CH2CH2CH2Li 
C) ROOR 
D) NaOH 
E) none of these

Question 15

Which of the following best describes the polymer shown below?

Accepted Answer

A) atactic 
B) isotactic 
C) syndiotactic 
D) antidiotactic 
E) none of these 
A) atactic 
B) isotactic 
C) syndiotactic 
D) antidiotactic 
E) none of these

Question 16

Which of the following polymerization processes best describes formation of polycarbonates?

Accepted Answer

A) step growth addition 
B) chain growth addition 
C) step growth condensation 
D) chain growth condensation 
E) none of these 
A) step growth addition 
B) chain growth addition 
C) step growth condensation 
D) chain growth condensation 
E) none of these

Question 17

Provide the structure of monomer(s)that would produce the following condensation polymer?

Accepted Answer

The answer of Provide the structure of monomer(s)that would produce...

Question 18

Which of the following polymers would be best prepared using cationic polymerization?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) none of these 
A) I 
B) II 
C) III 
D) IV 
E) none of these

Question 19

Which of the following monomer(s)would undergo cationic polymerization?

Accepted Answer

A) vinylidine fluoride 
B) acrylonitrile 
C) isobutylene 
D) vinyl acetate 
E) all of these 
A) vinylidine fluoride 
B) acrylonitrile 
C) isobutylene 
D) vinyl acetate 
E) all of these

Question 20

Which one of the following is the correct structure for poly(vinylidine fluoride)?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) none of these 
A) I 
B) II 
C) III 
D) IV 
E) none of these

Exam 27: Synthetic Polymers

SBR (styrene-butadiene rubber)is used in the manufacturing of automobile tires.Provide the structure of this polymer.

Which of the following polymers are classified as elastomers?

Arrange the following monomers in decreasing order of reactivity towards anionic polymerization?

Which one of the following is not a biopolymer?

Which one of the following is the correct structure for polystyrene?

Which of the following types of polyethylene is used to make trash bags?

Arrange the following monomers in decreasing order of reactivity towards cationic polymerization?

Which of the following functional groups are common in biodegradable polymers?

The following polymer is classified as a(an)________.

Polymerization of ethylene in the presence of a Ziegler-Natta catalyst results in _______.

Draw a possible segment of isotactic polyacrylonitrile.

Which of the following processes is used in the recycling of soft drink bottles made of PET?

Provide the structure of the polymer that is produced when the following monomers are treated in the presence of dilute NaOH.

Which of the following is used as an initiator in radical polymerization?

Which of the following best describes the polymer shown below?

Which of the following polymerization processes best describes formation of polycarbonates?

Provide the structure of monomer(s)that would produce the following condensation polymer?

Which of the following polymers would be best prepared using cationic polymerization?

Which of the following monomer(s)would undergo cationic polymerization?

Which one of the following is the correct structure for poly(vinylidine fluoride)?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Nuclear Magnetic Resonance Spectroscopy

Infrared Spectroscopy and Mass Spectrometry

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

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