Question 1

What is the electrophile in aromatic nitration?

Accepted Answer

A) NO+ 
B) NO2+ 
C) NO3+ 
D) NO2H 
A) NO+ 
B) NO2+ 
C) NO3+ 
D) NO2H

Question 2

Which aryl fluoride reacts the fastest with NaOH?

Accepted Answer

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

Question 3

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 4

What is the first step in the general mechanism for electrophilic aromatic substitution?

Accepted Answer

A) Protonation of the aromatic ring 
B) Deprotonation of the aromatic ring 
C) Addition of the electrophile to the aromatic ring 
D) Loss of the electrophile from the aromatic ring 
A) Protonation of the aromatic ring 
B) Deprotonation of the aromatic ring 
C) Addition of the electrophile to the aromatic ring 
D) Loss of the electrophile from the aromatic ring

Question 5

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 6

Rank the following compounds in order of increasing reactivity in electrophilic aromatic substitution.

Accepted Answer

A) I < II < III < IV 
B) II < I < IV < III 
C) III < IV < I < II 
D) II < I < III < IV 
A) I < II < III < IV 
B) II < I < IV < III 
C) III < IV < I < II 
D) II < I < III < IV

Question 7

Rank the following compounds in order of increasing reactivity in nucleophilic aromatic substitution.

Accepted Answer

A) III < II < I 
B) I < II < III 
C) III < I < II 
D) I < III < II 
A) III < II < I 
B) I < II < III 
C) III < I < II 
D) I < III < II

Question 8

What is the product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) None of these 
A) I 
B) II 
C) III 
D) None of these

Question 9

What will be the site that leads to the major mono substitution product for an electrophilic aromatic substitution reaction of the following compound?

Accepted Answer

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

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 11

Rank the following deactivating groups in order of increasing deactivating strength, listing the least deactivating first.

Accepted Answer

A) I < II < III < IV 
B) II < III < IV < I 
C) II < I < III < IV 
D) IV < III < I < II 
A) I < II < III < IV 
B) II < III < IV < I 
C) II < I < III < IV 
D) IV < III < I < II

Question 12

What is (are) the product(s) of the following reaction?

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) Only I and III 
A) Only I 
B) Only II 
C) Only III 
D) Only I and III

Question 13

What is (are) the product(s) of the following reaction?

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) Only I and II 
A) Only I 
B) Only II 
C) Only III 
D) Only I and II

Question 14

Why is sulfuric acid used in aromatic nitration?

Accepted Answer

A) To keep the reaction from getting too basic 
B) To form the active electrophile NO2+ 
C) To protonate the aromatic ring 
D) To keep the reaction from getting too acidic 
A) To keep the reaction from getting too basic 
B) To form the active electrophile NO2+ 
C) To protonate the aromatic ring 
D) To keep the reaction from getting too acidic

Exam 18: Reactions of Aromatic Compounds

What is the electrophile in aromatic nitration?

Which aryl fluoride reacts the fastest with NaOH?

What is the major organic product obtained from the following reaction?

What is the first step in the general mechanism for electrophilic aromatic substitution?

What is the major organic product obtained from the following reaction?

Rank the following compounds in order of increasing reactivity in electrophilic aromatic substitution.

Rank the following compounds in order of increasing reactivity in nucleophilic aromatic substitution.

What is the product of the following reaction?

What will be the site that leads to the major mono substitution product for an electrophilic aromatic substitution reaction of the following compound?

What is the major organic product obtained from the following reaction?

Rank the following deactivating groups in order of increasing deactivating strength, listing the least deactivating first.

What is (are) the product(s) of the following reaction?

What is (are) the product(s) of the following reaction?

Why is sulfuric acid used in aromatic nitration?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers, and Related Compounds

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry;

Aldehydes and Ketones Nucleophilic Addition

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond Forming Reactions in Organic Synthesis

Pericyclic Reactions

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