Question 1

Which of these is the rate-determining step in the nitration of benzene?

Accepted Answer

A) Protonation of nitric acid by sulfuric acid 
B) Protonation of sulfuric acid by nitric acid 
C) Loss of a water molecule by the protonated species to produce the nitronium ion 
D) Addition of the nitronium to benzene to produce the arenium ion 
E) Loss of a proton by the arenium ion to form nitrobenzene 
A) Protonation of nitric acid by sulfuric acid 
B) Protonation of sulfuric acid by nitric acid 
C) Loss of a water molecule by the protonated species to produce the nitronium ion 
D) Addition of the nitronium to benzene to produce the arenium ion 
E) Loss of a proton by the arenium ion to form nitrobenzene

Question 2

Which one of these molecules can be a reactant in a Friedel-Crafts reaction?

Accepted Answer

A) Aniline 
B) Nitrobenzene 
C) Chloroethene 
D) Bromobenzene 
E) p-Bromonitrobenzene 
A) Aniline 
B) Nitrobenzene 
C) Chloroethene 
D) Bromobenzene 
E) p-Bromonitrobenzene

Question 3

Which of the following reactions would yield isopropylbenzene as the major product?

Accepted Answer

A)    
B)    
C)    
D) All of these choices. 
A)    
B)    
C)    
D) All of these choices.

Question 4

Starting with benzene,the best method for preparing p-nitrobenzoic acid is:

Accepted Answer

A) HNO3/H2SO4; then CH3Cl/AlCl3; then separation of isomers; then KMnO4/ -OH/heat,followed by H3O+. 
B) CH3Cl/AlCl3; then HNO3/H2SO4; then separation of isomers; then KMnO4/ -OH/heat,followed by H3O+. 
C) CH3Cl/AlCl3; then KMnO4/-OH/heat,followed by H3O+; then HNO3/H2SO4. 
D) HNO3/H2SO4; then KMnO4/-OH/heat,followed by H3O+; then CH3Cl/AlCl3. 
E) HNO3/H2SO4; then CO2,followed by H3O+. 
A) HNO3/H2SO4; then CH3Cl/AlCl3; then separation of isomers; then KMnO4/ -OH/heat,followed by H3O+. 
B) CH3Cl/AlCl3; then HNO3/H2SO4; then separation of isomers; then KMnO4/ -OH/heat,followed by H3O+. 
C) CH3Cl/AlCl3; then KMnO4/-OH/heat,followed by H3O+; then HNO3/H2SO4. 
D) HNO3/H2SO4; then KMnO4/-OH/heat,followed by H3O+; then CH3Cl/AlCl3. 
E) HNO3/H2SO4; then CO2,followed by H3O+.

Question 5

A good synthesis of   would be:

Accepted Answer

A)    
B)    
C)    
D) More than one of these choices. 
E) None of these choices. 
A)    
B)    
C)    
D) More than one of these choices. 
E) None of these choices.

Question 6

How might the following synthesis be carried out:

Accepted Answer

A)    
B)    
C)    
D)    
E) None of these syntheses is satisfactory. 
A)    
B)    
C)    
D)    
E) None of these syntheses is satisfactory.

Question 7

What would be the product of the following reaction sequence?

Accepted Answer

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

Which of these is the rate-determining step in the nitration of benzene?

Which one of these molecules can be a reactant in a Friedel-Crafts reaction?

Which of the following reactions would yield isopropylbenzene as the major product?

Starting with benzene,the best method for preparing p-nitrobenzoic acid is:

A good synthesis of would be:

How might the following synthesis be carried out:

What would be the product of the following reaction sequence?

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Exam 15: Reactions of Aromatic Compounds

Which of these is the rate-determining step in the nitration of benzene?

Which one of these molecules can be a reactant in a Friedel-Crafts reaction?

Which of the following reactions would yield isopropylbenzene as the major product?

Starting with benzene,the best method for preparing p-nitrobenzoic acid is:

A good synthesis of would be:

How might the following synthesis be carried out:

What would be the product of the following reaction sequence?

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters