Question 1

Give the product(s)for each step of the following reaction.

Accepted Answer

The answer of Give the product(s)for each step of the...

Question 2

Which of the following is not a correct statement concerning the Friedel-Crafts acylation of benzene?

Accepted Answer

A) An alkyl group substitutes for a hydrogen. 
B) The benzene ring attacks an acylium ion. 
C) The acylium ion is resonance stabilized. 
D) The acylium ion is often produced from an acyl chloride. 
E) More than one equivalent of Lewis acid must be used. 
A) An alkyl group substitutes for a hydrogen. 
B) The benzene ring attacks an acylium ion. 
C) The acylium ion is resonance stabilized. 
D) The acylium ion is often produced from an acyl chloride. 
E) More than one equivalent of Lewis acid must be used.

Question 3

Which of the following is the best method for preparing m-chloroaniline from benzene?

Accepted Answer

A) NH3; Cl2/AlCl3 
B) Cl2/AlCl3; NH3 
C) Cl2/AlCl3; HNO3/H2SO4; Sn/HCl, HO- 
D) HNO3/H2SO4; Cl2/AlCl3; Sn/HCl, HO- 
E) HNO3/H2SO4; Sn/HCl; HO-; Cl2/AlCl3 
A) NH3; Cl2/AlCl3 
B) Cl2/AlCl3; NH3 
C) Cl2/AlCl3; HNO3/H2SO4; Sn/HCl, HO- 
D) HNO3/H2SO4; Cl2/AlCl3; Sn/HCl, HO- 
E) HNO3/H2SO4; Sn/HCl; HO-; Cl2/AlCl3

Question 4

Identify the product(s)for the following reaction.

Accepted Answer

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

Question 5

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene?

Accepted Answer

A) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction. 
B) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss. 
C) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions. 
D) It functions by destabilizing the benzene through formation of a π-complex. 
E) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons. 
A) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction. 
B) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss. 
C) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions. 
D) It functions by destabilizing the benzene through formation of a π-complex. 
E) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

Question 6

Provide the best name for the organic compound below.

Accepted Answer

The answer of Provide the best name for the organic...

Question 7

Which of the following substrates is an electron donating group overall?

Accepted Answer

A) -Br 
B)    
C) -OCH3 
D)    
E) -CCl3 
A) -Br 
B)    
C) -OCH3 
D)    
E) -CCl3

Question 8

Explain why nitrobenzene can be used as a solvent for Friedel-Crafts alkylation.

Accepted Answer

Because of the deact

Question 9

What specific electrophile is attacked by benzene when it undergoes nitration?

Accepted Answer

A) HNO3 
B) NO3 
C) NO 
D) NO2 
E) NO2+ 
A) HNO3 
B) NO3 
C) NO 
D) NO2 
E) NO2+

Question 10

Identify the major product(s)for the reaction.

Accepted Answer

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

Question 11

What is the structure of styrene?

Accepted Answer

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

Question 12

What is the structure of 3-phenylpentane?

Accepted Answer

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

Question 13

Provide the major organic product of the reaction shown below.

Accepted Answer

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

Question 14

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 15

Which of the following is the electrophile that attacks the aromatic ring during sulfonation?

Accepted Answer

A) HSO3+ 
B) SO2+ 
C) HSO3- 
D) H2SO4 
E) HSO4- 
A) HSO3+ 
B) SO2+ 
C) HSO3- 
D) H2SO4 
E) HSO4-

Question 16

Provide a series of synthetic steps by which 2-bromo-4-nitrobenzoic acid can be prepared from toluene.

Accepted Answer

1) HNO₃, H₂S

Question 17

Identify the best product for the following reaction.

Accepted Answer

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

Question 18

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 19

Provide the major organic product of the following.

Accepted Answer

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

Question 20

Identify the major product for the reaction.

Accepted Answer

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

Exam 19: Reactions of Benzene and Substituted Benzenes

Give the product(s)for each step of the following reaction.

Which of the following is not a correct statement concerning the Friedel-Crafts acylation of benzene?

Which of the following is the best method for preparing m-chloroaniline from benzene?

Identify the product(s)for the following reaction.

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene?

Provide the best name for the organic compound below.

Which of the following substrates is an electron donating group overall?

Explain why nitrobenzene can be used as a solvent for Friedel-Crafts alkylation.

What specific electrophile is attacked by benzene when it undergoes nitration?

Identify the major product(s)for the reaction.

What is the structure of styrene?

What is the structure of 3-phenylpentane?

Provide the major organic product of the reaction shown below.

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

Which of the following is the electrophile that attacks the aromatic ring during sulfonation?

Provide a series of synthetic steps by which 2-bromo-4-nitrobenzoic acid can be prepared from toluene.

Identify the best product for the following reaction.

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

Provide the major organic product of the following.

Identify the major product for the reaction.

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

What purpose does FeCl₃ serve in the electrophilic aromatic substitution reaction between chlorine and benzene?