Question 1

Saponification requires which of the following reagents?

Accepted Answer

A)  an oxidizing agent 
B)  a strong base 
C)  a reducing agent 
D)  a weak acid 
A)  an oxidizing agent 
B)  a strong base 
C)  a reducing agent 
D)  a weak acid

Question 2

Which of the following compounds will react with sodium hydroxide to form a water-soluble product?

Accepted Answer

A)  hexanal 
B)  hexanoic acid 
C)  1-hexene 
D)  all of these compounds 
A)  hexanal 
B)  hexanoic acid 
C)  1-hexene 
D)  all of these compounds

Question 3

Which of the following acids is not found in abundance in animal fats and vegetable oils?

Accepted Answer

A)  caproic acid 
B)  palmitic acid 
C)  stearic acid 
D)  myristic acid 
A)  caproic acid 
B)  palmitic acid 
C)  stearic acid 
D)  myristic acid

Question 4

Which of the following reagents can be used to reduce a carboxylic acid?

Accepted Answer

A)  sodium borohydride 
B)  lithium aluminum hydride 
C)  both a and b 
D)  neither a nor b 
A)  sodium borohydride 
B)  lithium aluminum hydride 
C)  both a and b 
D)  neither a nor b

Question 5

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

Accepted Answer

A)  glycerol 
B)  triglycerides 
C)  ethanol 
D)  none of these 
A)  glycerol 
B)  triglycerides 
C)  ethanol 
D)  none of these

Question 6

Which of the following classes of reagents will convert a carboxylic acid into its carboxylate salt?

Accepted Answer

A)  an oxidizing agent 
B)  a reducing agent 
C)  an acid 
D)  a base 
A)  an oxidizing agent 
B)  a reducing agent 
C)  an acid 
D)  a base

Question 7

Which of the following unsaturated fatty acids has the most 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 8

Which of the following is not a dicarboxylic acid?

Accepted Answer

A)  glutaric acid 
B)  oxalic acid 
C)  succinic acid 
D)  None of these, they are all dicarboxylic acids. 
A)  glutaric acid 
B)  oxalic acid 
C)  succinic acid 
D)  None of these, they are all dicarboxylic acids.

Question 9

What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of an acid catalyst?

Accepted Answer

A)  ether 
B)  ester 
C)  either a or b, depending on the conditions 
D)  neither a nor b 
A)  ether 
B)  ester 
C)  either a or b, depending on the conditions 
D)  neither a nor b

Question 10

The presence of which of the following cations results in hard water?

Accepted Answer

A)  Ca2+ 
B)  Fe3+ 
C)  Mg2+ 
D)  any of these 
A)  Ca2+ 
B)  Fe3+ 
C)  Mg2+ 
D)  any of these

Question 11

Which of the following is the correct IUPAC name of a carboxylic acid which contains five carbon atoms?

Accepted Answer

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

Question 12

Which of the following is a saturated fatty acid?

Accepted Answer

A)  arachidonic acid 
B)  oleic acid 
C)  palmitic acid 
D)  none of these 
A)  arachidonic acid 
B)  oleic acid 
C)  palmitic acid 
D)  none of these

Question 13

GABA is the abbreviation for the neurotransmitter γ-aminobutyric acid. Which of the following is GABA?

Accepted Answer

A)    
B)    
C)  NH2CH2CH2CH2COOH 
D)  none of these 
A)    
B)    
C)  NH2CH2CH2CH2COOH 
D)  none of these

Question 14

What organic product will be formed when ammonium benzoate is treated with HCl?

Accepted Answer

A)  ammonia 
B)  benzoyl ammonate 
C)  benzoic acid 
D)  benzoic ammonia 
A)  ammonia 
B)  benzoyl ammonate 
C)  benzoic acid 
D)  benzoic ammonia

Question 15

Which of the following compounds is a naturally occurring omega-3 fatty acid?

Accepted Answer

A)    
B)    
C)  both a and b 
D)  neither a nor b 
A)    
B)    
C)  both a and b 
D)  neither a nor b

Question 16

In a soap micelle, which of the following is true?

Accepted Answer

A)  The hydrophilic region is on the surface and the hydrophobic region is in the interior. 
B)  The hydrophobic region is on the surface and the hydrophilic region is in the interior. 
C)  The hydrophilic and hydrophobic regions are uniformly distributed throughout the micelle. 
D)  When the micelle is formed, the hydrophilic and hydrophobic regions interact and neutralize one another. 
A)  The hydrophilic region is on the surface and the hydrophobic region is in the interior. 
B)  The hydrophobic region is on the surface and the hydrophilic region is in the interior. 
C)  The hydrophilic and hydrophobic regions are uniformly distributed throughout the micelle. 
D)  When the micelle is formed, the hydrophilic and hydrophobic regions interact and neutralize one another.

Question 17

Which of the following correctly describes the reagent(s) used to manufacture a detergent from a linear alkylbenzene precursor?

Accepted Answer

A)  NaOH only 
B)  H2SO4 only 
C)  NaOH followed by H2SO4 
D)  H2SO4 followed by NaOH 
A)  NaOH only 
B)  H2SO4 only 
C)  NaOH followed by H2SO4 
D)  H2SO4 followed by NaOH

Question 18

Which of the following will be true of a saturated fatty acid and a cis-unsaturated fatty acid which contain the same number of carbon atoms?

Accepted Answer

A)  They will have very nearly the same melting point. 
B)  The saturated fatty acid will have a lower melting point. 
C)  The cis-unsaturated fatty acid will have a lower melting point. 
D)  There is no general statement possible regarding their melting points. 
A)  They will have very nearly the same melting point. 
B)  The saturated fatty acid will have a lower melting point. 
C)  The cis-unsaturated fatty acid will have a lower melting point. 
D)  There is no general statement possible regarding their melting points.

Question 19

Which of the following compounds will have the lowest boiling point?

Accepted Answer

A)  butanoic acid 
B)  heptanoic acid 
C)  hexanoic acid 
D)  pentanoic acid 
A)  butanoic acid 
B)  heptanoic acid 
C)  hexanoic acid 
D)  pentanoic acid

Question 20

What is the correct IUPAC name of the following compound?

Accepted Answer

A)  3-aminoheptanoic acid 
B)  4-aminooctanoic acid 
C)  4-amino-4-butylbutanoic acid 
D)  γ-aminobutyric acid 
A)  3-aminoheptanoic acid 
B)  4-aminooctanoic acid 
C)  4-amino-4-butylbutanoic acid 
D)  γ-aminobutyric acid

Exam 18: Carboxylic Acids

Saponification requires which of the following reagents?

Which of the following compounds will react with sodium hydroxide to form a water-soluble product?

Which of the following acids is not found in abundance in animal fats and vegetable oils?

Which of the following reagents can be used to reduce a carboxylic acid?

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

Which of the following classes of reagents will convert a carboxylic acid into its carboxylate salt?

Which of the following unsaturated fatty acids has the most double bonds?

Which of the following is not a dicarboxylic acid?

What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of an acid catalyst?

The presence of which of the following cations results in hard water?

Which of the following is the correct IUPAC name of a carboxylic acid which contains five carbon atoms?

Which of the following is a saturated fatty acid?

GABA is the abbreviation for the neurotransmitter γ-aminobutyric acid. Which of the following is GABA?

What organic product will be formed when ammonium benzoate is treated with HCl?

Which of the following compounds is a naturally occurring omega-3 fatty acid?

In a soap micelle, which of the following is true?

Which of the following correctly describes the reagent(s) used to manufacture a detergent from a linear alkylbenzene precursor?

Which of the following will be true of a saturated fatty acid and a cis-unsaturated fatty acid which contain the same number of carbon atoms?

Which of the following compounds will have the lowest boiling point?

What is the correct IUPAC name of the following compound?

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