Question 1

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

Accepted Answer

A)  sodium methoxide 
B)  sodium ethoxide 
C)  sodium isoproxide 
D)  sodium tert-butoxide 
A)  sodium methoxide 
B)  sodium ethoxide 
C)  sodium isoproxide 
D)  sodium tert-butoxide

Question 2

What is the role of tetrabutylammonium chloride as a phase transfer catalyst in the reaction of 1-chlorooctane and sodium cyanide in a mixture of water and CH2Cl2?

Accepted Answer

A)  it transfers 1-chlorooctane into the aqueous phase 
B)  it transfers cyanide anion into the organic phase 
C)  it makes water and dichloromethane miscible 
D)  it transfers the sodium cation into the organic phase 
A)  it transfers 1-chlorooctane into the aqueous phase 
B)  it transfers cyanide anion into the organic phase 
C)  it makes water and dichloromethane miscible 
D)  it transfers the sodium cation into the organic phase

Question 3

What is the major organic product(s) obtained from the following reaction?

Accepted Answer

A)  3-methyl-1-pentyne 
B)  3-methyl-2-pentyne 
C)  1-propene + propyne 
D)  4-methyl-2-pentene 
A)  3-methyl-1-pentyne 
B)  3-methyl-2-pentyne 
C)  1-propene + propyne 
D)  4-methyl-2-pentene

Question 4

Consider the reaction below to answer the following question:   This reaction proceeds by an E1 mechanism.

Accepted Answer

A) True 
 B)False

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

What is the role of tetrabutylammonium chloride as a phase transfer catalyst in the reaction of 1-chlorooctane and sodium cyanide in a mixture of water and CH₂Cl₂?

What is the major organic product(s) obtained from the following reaction?

Consider the reaction below to answer the following question: This reaction proceeds by an E1 mechanism.

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

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

Organic Polymer Chemistry

Filters

Exam 9: Nucleophilic Substitution and Beta-Elimination

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

What is the role of tetrabutylammonium chloride as a phase transfer catalyst in the reaction of 1-chlorooctane and sodium cyanide in a mixture of water and CH2Cl2?

What is the major organic product(s) obtained from the following reaction?

Consider the reaction below to answer the following question: This reaction proceeds by an E1 mechanism.

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

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

Organic Polymer Chemistry

Filters

What is the role of tetrabutylammonium chloride as a phase transfer catalyst in the reaction of 1-chlorooctane and sodium cyanide in a mixture of water and CH₂Cl₂?