Question 1

Which of the following is the chain-initiating step in the cationic polymerization of propene?

Accepted Answer

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

Question 2

The pattern below is found in what type of polymer? AABBBABAABABBAAB

Accepted Answer

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

Question 3

Give the product for an diisocyanate reacting with a diol.

Accepted Answer

A) an epoxy resin 
B) a polyester 
C) a polycarbonate 
D) a polyamide 
E) a polyurethane 
A) an epoxy resin 
B) a polyester 
C) a polycarbonate 
D) a polyamide 
E) a polyurethane

Question 4

Identify the type of polymer for nylon 66.

Accepted Answer

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

Question 5

Which of the following can result in chain termination in cationic polymerization?

Accepted Answer

A) loss of H+ 
B) addition of a nucleophile that reacts with the propagating site 
C) a chain transfer reaction with the solvent 
D) a 1,2-hydride shift. 
E) A, B, and C 
A) loss of H+ 
B) addition of a nucleophile that reacts with the propagating site 
C) a chain transfer reaction with the solvent 
D) a 1,2-hydride shift. 
E) A, B, and C

Question 6

Which of the following is a step-growth polymer?

Accepted Answer

A) polyethylene 
B) polyester 
C) polypropylene 
D) polystyrene 
E) Plexiglass 
A) polyethylene 
B) polyester 
C) polypropylene 
D) polystyrene 
E) Plexiglass

Which of the following is the chain-initiating step in the cationic polymerization of propene?

The pattern below is found in what type of polymer? AABBBABAABABBAAB

Give the product for an diisocyanate reacting with a diol.

Identify the type of polymer for nylon 66.

Which of the following can result in chain termination in cationic polymerization?

Which of the following is a step-growth polymer?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Pericyclic Reactions

Filters

Exam 27: Synthetic Polymers

Which of the following is the chain-initiating step in the cationic polymerization of propene?

The pattern below is found in what type of polymer? AABBBABAABABBAAB

Give the product for an diisocyanate reacting with a diol.

Identify the type of polymer for nylon 66.

Which of the following can result in chain termination in cationic polymerization?

Which of the following is a step-growth polymer?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Pericyclic Reactions

Filters