Question 1

In the following reaction, which base most favors the anti-Zaitsev product?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    A

Question 2

Which of the following factors favor an SS1U1B1NS1U1B02 reaction with a negatively charged nucleophile?

Accepted Answer

A)  a good leaving group 
B)  a good nucleophile 
C)  an unhindered reaction center 
D)  an aprotic polar solvent 
E)  all of the above 
A)  a good leaving group 
B)  a good nucleophile 
C)  an unhindered reaction center 
D)  an aprotic polar solvent 
E)  all of the above E

Question 3

Which of the following bases most favors elimination over substitution?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    C

Question 4

What happens in the following SS1U1B1NS1U1B02 reaction if the concentration of both reagents is doubled?

Accepted Answer

A)  The reaction rate doubles. 
B)  The reaction rate triples. 
C)  The reaction rate is quadrupled. 
D)  The reaction rate is unaffected. 
E)  The reaction rate is halved. 
A)  The reaction rate doubles. 
B)  The reaction rate triples. 
C)  The reaction rate is quadrupled. 
D)  The reaction rate is unaffected. 
E)  The reaction rate is halved.

Question 5

Which of the following compounds undergoes an E2 reaction most readily?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 6

Which of the following statements is not true about the SS1U1B1NS1U1B01 reaction of an alkyl halide?

Accepted Answer

A)  Tertiary alkyl halides and benzyl and allyl halides undergo SS1U1B1NS1U1B01 reactions. 
B)  The rate is dependent upon the stability of the carbocation. 
C)  The rate is dependent upon the concentration of the nucleophile. 
D)  The reaction requires a good leaving group. 
E)  The reaction is favored in a polar protic solvent. 
A)  Tertiary alkyl halides and benzyl and allyl halides undergo SS1U1B1NS1U1B01 reactions. 
B)  The rate is dependent upon the stability of the carbocation. 
C)  The rate is dependent upon the concentration of the nucleophile. 
D)  The reaction requires a good leaving group. 
E)  The reaction is favored in a polar protic solvent.

Question 7

Which alkyl halide reacts the fastest with sodium methoxide under E2 conditions?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Which of the following best explains a partial racemization?

Accepted Answer

A)  a good leaving group 
B)  an SS1U1B1NS1U1B02 reaction 
C)  formation of an intimate ion pair 
D)  completely dissociated ions 
E)  a polar solvent 
A)  a good leaving group 
B)  an SS1U1B1NS1U1B02 reaction 
C)  formation of an intimate ion pair 
D)  completely dissociated ions 
E)  a polar solvent

Question 9

Which of the following species is the best nucleophile in methanol?

Accepted Answer

A)  FS1U1P1?S1S1P0 
B)  NHS1U1B13S1U1B0 
C)  CHS1U1B13S1U1B0SS1U1P1?S1S1P0 
D)  CHS1U1B13S1U1B0OS1U1P1?S1S1P0 
E)  HOS1U1P1?S1S1P0 
A)  FS1U1P1?S1S1P0 
B)  NHS1U1B13S1U1B0 
C)  CHS1U1B13S1U1B0SS1U1P1?S1S1P0 
D)  CHS1U1B13S1U1B0OS1U1P1?S1S1P0 
E)  HOS1U1P1?S1S1P0

Question 10

Which of the following statements is false?

Accepted Answer

A)  Increasing solvent polarity decreases the reaction rate when any reactant is charged. 
B)  Increasing solvent polarity increases the reaction rate when none of the reactants is charged. 
C)  An E2 reaction is favored by a high concentration of a strong, hindered base. 
D)  An E1 reaction is favored by a secondary alkyl halide. 
E)  An E2 is favored by a strong base. 
A)  Increasing solvent polarity decreases the reaction rate when any reactant is charged. 
B)  Increasing solvent polarity increases the reaction rate when none of the reactants is charged. 
C)  An E2 reaction is favored by a high concentration of a strong, hindered base. 
D)  An E1 reaction is favored by a secondary alkyl halide. 
E)  An E2 is favored by a strong base.

Question 11

Which of the following substrates react fastest in an SS1U1B1NS1U1B02 reaction?

Accepted Answer

A)  vinyl bromide 
B)  cyclohexyl bromide 
C)  phenyl iodide 
D)  2-bromopropane 
E)  benzyl bromide 
A)  vinyl bromide 
B)  cyclohexyl bromide 
C)  phenyl iodide 
D)  2-bromopropane 
E)  benzyl bromide

In the following reaction, which base most favors the anti-Zaitsev product?

Which of the following factors favor an S_N2 reaction with a negatively charged nucleophile?

Which of the following bases most favors elimination over substitution?

What happens in the following S_N2 reaction if the concentration of both reagents is doubled?

Which of the following compounds undergoes an E2 reaction most readily?

Which of the following statements is not true about the S_N1 reaction of an alkyl halide?

Which alkyl halide reacts the fastest with sodium methoxide under E2 conditions?

Which of the following best explains a partial racemization?

Which of the following species is the best nucleophile in methanol?

Which of the following statements is false?

Which of the following substrates react fastest in an S_N2 reaction?

Remembering General Chemistry Electronic Structure and Bonding

Acids and Bases Central to Understanding Organic Chemistry

An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

Isomers the Arrangement of Atoms in Space

Alkenes Structure, Nomenclature, and an Introduction to Reactivity Thermodynamics and Kinetics

The Reactions of Alkenes the Stereochemistry of Addition Reactions

The Reactions of Alkynes an Introduction Tomultistep Synthesis

Delocalized Electrons Their Eff

Reactions of Alcohols, Ethers,epoxides, Amines, and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry Infrared Spectroscopy Uv Vis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones More Reactions of Carboxylic Acid Derivatives

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines Reactions of Heterocyclic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes,compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Exam 9: Substitution and Elimination Reactions of Alkyl Halides

In the following reaction, which base most favors the anti-Zaitsev product?

Which of the following factors favor an SN2 reaction with a negatively charged nucleophile?

Which of the following bases most favors elimination over substitution?

What happens in the following SN2 reaction if the concentration of both reagents is doubled?

Which of the following compounds undergoes an E2 reaction most readily?

Which of the following statements is not true about the SN1 reaction of an alkyl halide?

Which alkyl halide reacts the fastest with sodium methoxide under E2 conditions?

Which of the following best explains a partial racemization?

Which of the following species is the best nucleophile in methanol?

Which of the following statements is false?

Which of the following substrates react fastest in an SN2 reaction?

Remembering General Chemistry Electronic Structure and Bonding

Acids and Bases Central to Understanding Organic Chemistry

An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

Isomers the Arrangement of Atoms in Space

Alkenes Structure, Nomenclature, and an Introduction to Reactivity Thermodynamics and Kinetics

The Reactions of Alkenes the Stereochemistry of Addition Reactions

The Reactions of Alkynes an Introduction Tomultistep Synthesis

Delocalized Electrons Their Eff

Reactions of Alcohols, Ethers,epoxides, Amines, and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry Infrared Spectroscopy Uv Vis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones More Reactions of Carboxylic Acid Derivatives

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines Reactions of Heterocyclic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes,compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Which of the following factors favor an S_N2 reaction with a negatively charged nucleophile?

What happens in the following S_N2 reaction if the concentration of both reagents is doubled?

Which of the following statements is not true about the S_N1 reaction of an alkyl halide?

Which of the following substrates react fastest in an S_N2 reaction?