Question 1

Which of the following is an intermediate in the citric acid cycle?

Accepted Answer

A)  glutaric acid 
B)  oxalic acid 
C)  succinic acid 
D)  valeric acid 
A)  glutaric acid 
B)  oxalic acid 
C)  succinic acid 
D)  valeric acid C

Question 2

What is the IUPAC name of the following carboxylic acid?

Accepted Answer

A)  3-carboxyhexane 
B)  2-ethylpentanoic acid 
C)  4-ethylpentanoic acid 
D)  2-propylbutanoic acid 
A)  3-carboxyhexane 
B)  2-ethylpentanoic acid 
C)  4-ethylpentanoic acid 
D)  2-propylbutanoic acid B

Question 3

What is the IUPAC name of the following compound?

Accepted Answer

A)  5-carboxydecane 
B)  5-pentylhexanoic acid 
C)  2-pentylhexanoic acid 
D)  2-butylheptanoic acid 
A)  5-carboxydecane 
B)  5-pentylhexanoic acid 
C)  2-pentylhexanoic acid 
D)  2-butylheptanoic acid D

Question 4

Which of the following 18 carbon fatty acids will have the lowest melting point?

Accepted Answer

A)  oleic acid 
B)  linoleic acid 
C)  linolenic acid 
D)  stearic acid 
A)  oleic acid 
B)  linoleic acid 
C)  linolenic acid 
D)  stearic acid

Question 5

Which is the correct IUPAC name of the carboxylic acid that contains five carbon atoms?

Accepted Answer

A)  1-methyl-1-butanoic acid 
B)  1,1-dimethylpropanoic acid 
C)  1,2-dimethylpropanoic acid 
D)  2-methylbutanoic acid 
A)  1-methyl-1-butanoic acid 
B)  1,1-dimethylpropanoic acid 
C)  1,2-dimethylpropanoic acid 
D)  2-methylbutanoic acid

Question 6

Examine the following cutaway figure showing the structure of a micelle.   Which of the following statements correctly describes the structure?

Accepted Answer

A)  The interior surface is polar, whereas the exterior surface is nonpolar. 
B)  The exterior surface is insoluble in water. 
C)  The exterior surface of the structure is adsorbed by grease. 
D)  The exterior surface is polar, whereas the interior surface is nonpolar. 
A)  The interior surface is polar, whereas the exterior surface is nonpolar. 
B)  The exterior surface is insoluble in water. 
C)  The exterior surface of the structure is adsorbed by grease. 
D)  The exterior surface is polar, whereas the interior surface is nonpolar.

Question 7

What is the IUPAC name of the straight chain dicarboxylic acid that contains seven carbon atoms?

Accepted Answer

A)  1,6-heptanedioic acid 
B)  heptanedioic acid 
C)  1,5-pentanedioic acid 
D)  pentanedioic acid 
A)  1,6-heptanedioic acid 
B)  heptanedioic acid 
C)  1,5-pentanedioic acid 
D)  pentanedioic acid

Question 8

Consider a mixture of benzyl alcohol and benzoic acid that is subjected to the procedure shown in the flowchart.   Which of the following describes the fate of benzoic acid?

Accepted Answer

A)  It will be recovered as 1: a sodium carboxylate salt. 
B)  It will be recovered as 1: a carboxylic acid. 
C)  It will be recovered as 2: a sodium carboxylate salt. 
D)  It will be recovered as 2: a carboxylic acid. 
A)  It will be recovered as 1: a sodium carboxylate salt. 
B)  It will be recovered as 1: a carboxylic acid. 
C)  It will be recovered as 2: a sodium carboxylate salt. 
D)  It will be recovered as 2: a carboxylic acid.

Question 9

Which of the following is a byproduct in the production of soaps?

Accepted Answer

A)  glycerol 
B)  triglycerides 
C)  glyceric acid 
D)  none of these 
A)  glycerol 
B)  triglycerides 
C)  glyceric acid 
D)  none of these

Question 10

In addition to the ester, what else is produced during Fischer esterification?

Accepted Answer

A)  H2 
B)  H2O 
C)  H2O2 
D)  O2 
A)  H2 
B)  H2O 
C)  H2O2 
D)  O2

Question 11

Which of the following is not a real compound?

Accepted Answer

A)  1-hydroxybutanoic acid 
B)  2-hydroxybutanoic acid 
C)  3-hydroxybutanoic acid 
D)  none of these 
A)  1-hydroxybutanoic acid 
B)  2-hydroxybutanoic acid 
C)  3-hydroxybutanoic acid 
D)  none of these

Question 12

Which of the following fatty acids is saturated?

Accepted Answer

A)  lauric acid 
B)  palmitic acid 
C)  stearic acid 
D)  all of these 
A)  lauric acid 
B)  palmitic acid 
C)  stearic acid 
D)  all of these

Question 13

Which of the following is γ-hydroxybutyric acid?

Accepted Answer

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

Question 14

Which of the following compounds is not a member of the family known as ketone bodies?

Accepted Answer

A)    
B)    
C)    
D)  None, all are ketone bodies. 
A)    
B)    
C)    
D)  None, all are ketone bodies.

Question 15

Which is the correct IUPAC name of the carboxylic acid that contains four carbon atoms?

Accepted Answer

A)  butanoic acid 
B)  isobutyric acid 
C)  2-butanoic acid 
D)  butyric acid 
A)  butanoic acid 
B)  isobutyric acid 
C)  2-butanoic acid 
D)  butyric acid

Question 16

Which of the following acids is the most soluble in water?

Accepted Answer

A)  caprylic acid 
B)  caproic acid 
C)  butyric acid 
D)  lauric acid 
A)  caprylic acid 
B)  caproic acid 
C)  butyric acid 
D)  lauric acid

Question 17

Identify the reaction that involves the conversion of butanoic acid to propane by heating it to a very high temperature.

Accepted Answer

A)  oxidation 
B)  esterification 
C)  decarboxylation 
D)  hydrogenation 
A)  oxidation 
B)  esterification 
C)  decarboxylation 
D)  hydrogenation

Question 18

Which of the following unsaturated acids has the fewest double bonds?

Accepted Answer

A)  arachidonic acid 
B)  linoleic acid 
C)  linolenic acid 
D)  oleic acid 
A)  arachidonic acid 
B)  linoleic acid 
C)  linolenic acid 
D)  oleic acid

Question 19

What is the IUPAC name of the carboxylic acid that contains three carbon atoms and a terminal amine group?

Accepted Answer

A)  3-carboxyethylamine 
B)  1-amino-3-propanoic acid 
C)  3-carboxypropylamine 
D)  3-aminopropanoic acid 
A)  3-carboxyethylamine 
B)  1-amino-3-propanoic acid 
C)  3-carboxypropylamine 
D)  3-aminopropanoic acid

Question 20

Which of the products listed is formed when the β-ketoacid shown below is heated?

Accepted Answer

A)  acetone 
B)  butanone 
C)  propanal 
D)  pentanoic acid 
A)  acetone 
B)  butanone 
C)  propanal 
D)  pentanoic acid

Exam 17: Carboxylic Acids

Which of the following is an intermediate in the citric acid cycle?

What is the IUPAC name of the following carboxylic acid?

What is the IUPAC name of the following compound?

Which of the following 18 carbon fatty acids will have the lowest melting point?

Which is the correct IUPAC name of the carboxylic acid that contains five carbon atoms?

Examine the following cutaway figure showing the structure of a micelle. Which of the following statements correctly describes the structure?

What is the IUPAC name of the straight chain dicarboxylic acid that contains seven carbon atoms?

Consider a mixture of benzyl alcohol and benzoic acid that is subjected to the procedure shown in the flowchart. Which of the following describes the fate of benzoic acid?

Which of the following is a byproduct in the production of soaps?

In addition to the ester, what else is produced during Fischer esterification?

Which of the following is not a real compound?

Which of the following fatty acids is saturated?

Which of the following is γ-hydroxybutyric acid?

Which of the following compounds is not a member of the family known as ketone bodies?

Which is the correct IUPAC name of the carboxylic acid that contains four carbon atoms?

Which of the following acids is the most soluble in water?

Identify the reaction that involves the conversion of butanoic acid to propane by heating it to a very high temperature.

Which of the following unsaturated acids has the fewest double bonds?

What is the IUPAC name of the carboxylic acid that contains three carbon atoms and a terminal amine group?

Which of the products listed is formed when the β-ketoacid shown below is heated?

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