Question 1

Which of the following is a polynuclear aromatic hydrocarbon with three rings in a linearly fused arrangement?

Accepted Answer

A)  anthracene 
B)  benzene 
C)  naphthalene 
D)  phenanthrene 
A)  anthracene 
B)  benzene 
C)  naphthalene 
D)  phenanthrene

Question 2

In the radical chain propagation steps during the autoxidation of unsaturated fatty acids, which of the following statements is false?

Accepted Answer

A)  Oxygen reacts with an alkyl radical to form a hydroperoxy radical. 
B)  A hydroperoxy radical abstracts a hydrogen atom from another fatty acid molecule. 
C)  Two hydroperoxy radicals combine to give a peroxy product. 
D)  None, all these statements are true. 
A)  Oxygen reacts with an alkyl radical to form a hydroperoxy radical. 
B)  A hydroperoxy radical abstracts a hydrogen atom from another fatty acid molecule. 
C)  Two hydroperoxy radicals combine to give a peroxy product. 
D)  None, all these statements are true.

Question 3

What is produced when benzene reacts with nitric acid in the presence of sulfuric acid?

Accepted Answer

A)  only nitrobenzene 
B)  nitrobenzene and NO 
C)  nitrobenzene and NO2 
D)  nitrobenzene and water 
A)  only nitrobenzene 
B)  nitrobenzene and NO 
C)  nitrobenzene and NO2 
D)  nitrobenzene and water

Question 4

Which of the following correctly describes the two aromatic ring substituents in the xylenes?

Accepted Answer

A)  They are both hydroxyl groups. 
B)  They are both methyl groups. 
C)  One is a methyl and one is an hydroxyl. 
D)  One is a methyl and one is an ethyl. 
A)  They are both hydroxyl groups. 
B)  They are both methyl groups. 
C)  One is a methyl and one is an hydroxyl. 
D)  One is a methyl and one is an ethyl.

Question 5

What is the correct IUPAC name of the following compound?

Accepted Answer

A)  1-ethyl-4-bromobenzene 
B)  4-ethyl-1-bromobenzene 
C)  1-bromo-4-ethylbenzene 
D)  4-bromo-1-ethylbenzene 
A)  1-ethyl-4-bromobenzene 
B)  4-ethyl-1-bromobenzene 
C)  1-bromo-4-ethylbenzene 
D)  4-bromo-1-ethylbenzene

Question 6

Which of the following compounds is found in peppers?

Accepted Answer

A)  capsaicin 
B)  hydroxyquinone 
C)  thymol 
D)  urushiol 
A)  capsaicin 
B)  hydroxyquinone 
C)  thymol 
D)  urushiol

Question 7

Which of the following compounds is an aldehyde?

Accepted Answer

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

Question 8

The reaction of oxygen with an unsaturated fatty acid gives which of the following products?

Accepted Answer

A)  a phenol 
B)  a hydroperoxide 
C)  vitamin E 
D)  none of the above 
A)  a phenol 
B)  a hydroperoxide 
C)  vitamin E 
D)  none of the above

Question 9

Which of the following observations was troublesome to 19th century chemists?

Accepted Answer

A)  Benzene contains more hydrogen atoms than expected. 
B)  Benzene does not undergo combustion. 
C)  Benzene does not react similarly to alkenes. 
D)  Benzene reacts similarly to alkenes. 
A)  Benzene contains more hydrogen atoms than expected. 
B)  Benzene does not undergo combustion. 
C)  Benzene does not react similarly to alkenes. 
D)  Benzene reacts similarly to alkenes.

Question 10

Consider the following compound, BHT, used as an antioxidant in foods.   Which of the following describes the product of the reaction of this compound with NaOH?

Accepted Answer

A)  phenoxide 
B)  hydroperoxide 
C)  hydrocarbon 
D)  None of these, BHT will not react with NaOH. 
A)  phenoxide 
B)  hydroperoxide 
C)  hydrocarbon 
D)  None of these, BHT will not react with NaOH.

Question 11

p-bromonitrobenzene is treated with hydrogen gas in the presence of a Pd catalyst. What would be the product of the reaction?

Accepted Answer

A)  4-bromoaniline 
B)  benzene 
C)  bromobenzene 
D)  nitrobenzene 
A)  4-bromoaniline 
B)  benzene 
C)  bromobenzene 
D)  nitrobenzene

Question 12

Which of the following structures represents 2,4,6-tribromophenol?

Accepted Answer

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

Question 13

Which of the following best describes the odors of aromatic compounds?

Accepted Answer

A)  They all have strong odors. 
B)  They all have pleasant odors. 
C)  They all have unpleasant odors. 
D)  Some have pleasant odors, some have unpleasant odors, and some are odorless. 
A)  They all have strong odors. 
B)  They all have pleasant odors. 
C)  They all have unpleasant odors. 
D)  Some have pleasant odors, some have unpleasant odors, and some are odorless.

Question 14

Which of the following structures represents m-nitrobenzoic acid?

Accepted Answer

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

Question 15

Consider the following structure.   Which of the following correctly applies to this structure?

Accepted Answer

A)  It is called an arene. 
B)  It is classified as an aromatic compound. 
C)  All carbon to carbon bonds are equivalent. 
D)  All hydrogen atoms are equivalent. 
E)  All of the above apply to this structure. 
A)  It is called an arene. 
B)  It is classified as an aromatic compound. 
C)  All carbon to carbon bonds are equivalent. 
D)  All hydrogen atoms are equivalent. 
E)  All of the above apply to this structure.

Question 16

How many constitutional isomers are possible when there are three identical substituents on a benzene ring?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
A)  2 
B)  3 
C)  4 
D)  5

Question 17

Which of the following is one of the starting materials in the manufacture of Dacron?

Accepted Answer

A)  o-xylene 
B)  m-xylene 
C)  p-xylene 
D)  none of these 
A)  o-xylene 
B)  m-xylene 
C)  p-xylene 
D)  none of these

Question 18

Which of the following compounds is found in the oil of poison ivy?

Accepted Answer

A)  capsaicin 
B)  hydroxyquinone 
C)  thymol 
D)  urushiol 
A)  capsaicin 
B)  hydroxyquinone 
C)  thymol 
D)  urushiol

Question 19

The structure of benzo[a]pyrene has how many 6-membered rings?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
A)  3 
B)  4 
C)  5 
D)  6

Question 20

Consider the following compound, albuterol, used in bronchodialators.   How many acidic groups are present in this compound?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Exam 13: Benzene and Its Derivatives

Which of the following is a polynuclear aromatic hydrocarbon with three rings in a linearly fused arrangement?

In the radical chain propagation steps during the autoxidation of unsaturated fatty acids, which of the following statements is false?

What is produced when benzene reacts with nitric acid in the presence of sulfuric acid?

Which of the following correctly describes the two aromatic ring substituents in the xylenes?

What is the correct IUPAC name of the following compound?

Which of the following compounds is found in peppers?

Which of the following compounds is an aldehyde?

The reaction of oxygen with an unsaturated fatty acid gives which of the following products?

Which of the following observations was troublesome to 19th century chemists?

Consider the following compound, BHT, used as an antioxidant in foods. Which of the following describes the product of the reaction of this compound with NaOH?

p-bromonitrobenzene is treated with hydrogen gas in the presence of a Pd catalyst. What would be the product of the reaction?

Which of the following structures represents 2,4,6-tribromophenol?

Which of the following best describes the odors of aromatic compounds?

Which of the following structures represents m-nitrobenzoic acid?

Consider the following structure. Which of the following correctly applies to this structure?

How many constitutional isomers are possible when there are three identical substituents on a benzene ring?

Which of the following is one of the starting materials in the manufacture of Dacron?

Which of the following compounds is found in the oil of poison ivy?

The structure of benzo[a]pyrene has how many 6-membered rings?

Consider the following compound, albuterol, used in bronchodialators. How many acidic groups are present in this compound?

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Which of the following observations was troublesome to 19^th century chemists?