Question 1

Provide a series of synthetic steps by which p-bromoanisole can be prepared from benzene.

Accepted Answer

1) Cl₂, FeCl₃ 2) HNO₃,

Question 2

Provide the major organic product(s)of the reaction below.

Accepted Answer

The answer of Provide the major organic product(s)of the reaction...

Question 3

What is the major product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) A and B equally 
E) A and C equally 
A) I 
B) II 
C) III 
D) A and B equally 
E) A and C equally

Question 4

Provide the major organic products of the reaction shown below.

Accepted Answer

The answer of Provide the major organic products of the...

Question 5

Which of the following compounds reacts most rapidly during nitration?

Accepted Answer

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

Question 6

In electrophilic aromatic substitution reactions, a chlorine substituent is ________.

Accepted Answer

A) a deactivator and a m-director 
B) a deactivator and an o,p-director 
C) an activator and a m-director 
D) an activator and an o,p-director 
E) none of the above 
A) a deactivator and a m-director 
B) a deactivator and an o,p-director 
C) an activator and a m-director 
D) an activator and an o,p-director 
E) none of the above

Question 7

What reagent is used to convert an arenediazonium salt into a fluoroarene?

Accepted Answer

A) HBF4 
B) F2 
C) HF 
D) BF3 
E) B2F6 
A) HBF4 
B) F2 
C) HF 
D) BF3 
E) B2F6

Question 8

Benzene can be reduced to cyclohexane when it is treated with hydrogen in the presence of a nickel catalyst under conditions of high temperature and pressure. Predict the signs of ΔH° and ΔS° for this process.

Accepted Answer

A) ΔH° > 0, ΔS° > 0 B) ΔH° > 0, ΔS° 0, ΔS° = 0 D) ΔH° 0 E) ΔH° < 0, ΔS° < 0 A) ΔH° > 0, ΔS° > 0 B) ΔH° > 0, ΔS° 0, ΔS° = 0 D) ΔH° 0 E) ΔH° < 0, ΔS° < 0

Question 9

Give the best product(s)for the reaction.

Accepted Answer

A)    
B)    
C)    
D)    
E) no reaction 
A)    
B)    
C)    
D)    
E) no reaction

Question 10

Provide the structure of the major organic product of the following reaction.

Accepted Answer

The answer of Provide the structure of the major organic...

Question 11

Provide the structure of the major organic product of the following reaction.

Accepted Answer

The answer of Provide the structure of the major organic...

Question 12

Identify the best product for the following reaction.

Accepted Answer

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

Question 13

List the following compounds in order of decreasing basicity.

Accepted Answer

The answer of List the following compounds in order of...

Question 14

What is one of the products of the following reaction?

Accepted Answer

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

Question 15

Identify the best product for the following reaction.

Accepted Answer

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

Question 16

What factors affect the ortho/para ratio in electrophilic aromatic substitution reactions?

Accepted Answer

Based solely on probability, one would e

Question 17

Which of the following monoalkylbenzenes undergo nitration in HNO3/H2SO4 to yield a product mixture with the highest   ratio?

Accepted Answer

A) toluene 
B) ethylbenzene 
C) propylbenzene 
D) isopropylbenzene 
E) tert-butylbenzene 
A) toluene 
B) ethylbenzene 
C) propylbenzene 
D) isopropylbenzene 
E) tert-butylbenzene

Question 18

Provide the major organic product of the reaction shown below.

Accepted Answer

The answer of Provide the major organic product of the...

Question 19

Identify the condition(s)that will not work for the following reaction.

Accepted Answer

A)    
B)    
C)    
D) CH3CH2CH2Cl + AlCl3 
E) CH3CH2CH2OH, H2SO4 
A)    
B)    
C)    
D) CH3CH2CH2Cl + AlCl3 
E) CH3CH2CH2OH, H2SO4

Question 20

Provide the structure of anisole.

Accepted Answer

The answer of Provide the structure of anisole....

Exam 19: Reactions of Benzene and Substituted Benzenes

Provide a series of synthetic steps by which p-bromoanisole can be prepared from benzene.

Provide the major organic product(s)of the reaction below.

What is the major product of the following reaction?

Provide the major organic products of the reaction shown below.

Which of the following compounds reacts most rapidly during nitration?

In electrophilic aromatic substitution reactions, a chlorine substituent is ________.

What reagent is used to convert an arenediazonium salt into a fluoroarene?

Benzene can be reduced to cyclohexane when it is treated with hydrogen in the presence of a nickel catalyst under conditions of high temperature and pressure. Predict the signs of ΔH° and ΔS° for this process.

Give the best product(s)for the reaction.

Provide the structure of the major organic product of the following reaction.

Provide the structure of the major organic product of the following reaction.

Identify the best product for the following reaction.

List the following compounds in order of decreasing basicity.

What is one of the products of the following reaction?

Identify the best product for the following reaction.

What factors affect the ortho/para ratio in electrophilic aromatic substitution reactions?

Which of the following monoalkylbenzenes undergo nitration in HNO3/H2SO4 to yield a product mixture with the highest ratio?

Provide the major organic product of the reaction shown below.

Identify the condition(s)that will not work for the following reaction.

Provide the structure of anisole.

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

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

Synthetic Polymers

Pericyclic Reactions

Filters

Which of the following monoalkylbenzenes undergo nitration in HNO₃/H₂SO₄ to yield a product mixture with the highest ratio?