Question 1

Long chain carboxylic acids are also known as fatty acids.

Accepted Answer

A) True 
 B)False

Question 2

Polyesters are plastics that are used to make fabrics, bottles, and medical devices such as heart valves.

Accepted Answer

A) True 
 B)False

Question 3

The splitting apart of an ester in the presence of a strong acid and water is called

Accepted Answer

A)  hydrolysis. 
B)  saponification. 
C)  neutralization. 
D)  esterification. 
E)  reduction. 
A)  hydrolysis. 
B)  saponification. 
C)  neutralization. 
D)  esterification. 
E)  reduction.

Question 4

What happens to water solubility as chain length increases in carboxylic acids?

Accepted Answer

A)  It increases. 
B)  It decreases. 
C)  It stays the same. 
A)  It increases. 
B)  It decreases. 
C)  It stays the same.

Question 5

What is the product of the reaction of pentanoic acid with ethanol in the presence of a strong acid?

Accepted Answer

A)  pentyl ethanoate 
B)  ethyl pentanoate 
C)  pentyl acetate 
D)  heptanoic acid 
A)  pentyl ethanoate 
B)  ethyl pentanoate 
C)  pentyl acetate 
D)  heptanoic acid

Question 6

Which carboxylic acid in the list below is an aromatic carboxylic acid?

Accepted Answer

A)  acetic acid 
B)  benzoic acid 
C)  butyric acid 
D)  benzene 
E)  citric acid 
A)  acetic acid 
B)  benzoic acid 
C)  butyric acid 
D)  benzene 
E)  citric acid

Question 7

Soaps are salts of long chain fatty acids.

Accepted Answer

A) True 
 B)False

Question 8

Select the correct name for the following.
-

Accepted Answer

A)  carboxylic acid 
B)  ketone 
C)  ester 
A)  carboxylic acid 
B)  ketone 
C)  ester

Question 9

The major acidic component of vinegar is formic acid.

Accepted Answer

A) True 
 B)False

Question 10

Aspirin that has a smell of vinegar has broken down by hydrolysis.

Accepted Answer

A) True 
 B)False

Question 11

The structural formula of the carboxylic acid produced by the oxidation of 2,2-dimethyl-1-propanol is

Accepted Answer

A)    
B)    
C)    
D)  $$\begin{array} { c } 
\quad\mathrm { CH } _ { 3 } \quad  \mathrm { O }  \
\quad\quad\mathrm { |} \quad \mathrm { ||}  \
\quad\mathrm { CH } _ { 3 } \mathrm { C } - \mathrm { COH } \
\mathrm {| } \
\mathrm { CH }_ { 3 } 
\end{array}$$ 
E)  $$\begin{array} { c } 
\mathrm { CH } _ { 3 } \
\mathrm { |} \
\quad\mathrm { CH } _ { 3 } \mathrm { C } - \mathrm { OH } \
\mathrm {| } \
\mathrm { CH }_ { 3 } 
\end{array}$$ 
A)    
B)    
C)    
D)  $$\begin{array} { c } 
\quad\mathrm { CH } _ { 3 } \quad  \mathrm { O }  \
\quad\quad\mathrm { |} \quad \mathrm { ||}  \
\quad\mathrm { CH } _ { 3 } \mathrm { C } - \mathrm { COH } \
\mathrm {| } \
\mathrm { CH }_ { 3 } 
\end{array}$$ 
E)  $$\begin{array} { c } 
\mathrm { CH } _ { 3 } \
\mathrm { |} \
\quad\mathrm { CH } _ { 3 } \mathrm { C } - \mathrm { OH } \
\mathrm {| } \
\mathrm { CH }_ { 3 } 
\end{array}$$

Question 12

Butyl alcohol is one of the reactants used to make methyl butyrate.

Accepted Answer

A) True 
 B)False

Question 13

What is the irritating acid found in ant and bee stings?

Accepted Answer

A)  acetic acid 
B)  formic acid 
C)  citric acid 
D)  butyric acid 
E)  stearic acid 
A)  acetic acid 
B)  formic acid 
C)  citric acid 
D)  butyric acid 
E)  stearic acid

Question 14

Carboxylic acids are responsible for the sweet taste of fruits and vegetables.

Accepted Answer

A) True 
 B)False

Question 15

The functional group in acetic acid is called the

Accepted Answer

A)  hydroxyl group. 
B)  aldehyde group. 
C)  carbonyl group. 
D)  carboxyl group. 
E)  ester group. 
A)  hydroxyl group. 
B)  aldehyde group. 
C)  carbonyl group. 
D)  carboxyl group. 
E)  ester group.

Question 16

What is the product of the reaction of an alcohol and a carboxylic acid when reacted together under acidic conditions?

Accepted Answer

A)  an ether 
B)  an ester 
C)  a salt 
D)  a ketone 
E)  an aldehyde 
A)  an ether 
B)  an ester 
C)  a salt 
D)  a ketone 
E)  an aldehyde

Question 17

Identify the family for each of the following compounds.
-

Accepted Answer

A) carboxylic acid 
B) ketone 
C) ester 
A) carboxylic acid 
B) ketone 
C) ester

Question 18

A carboxylic acid is prepared from an aldehyde by

Accepted Answer

A)  oxidation. 
B)  reduction. 
C)  hydrolysis. 
D)  neutralization. 
E)  hydrogenation. 
A)  oxidation. 
B)  reduction. 
C)  hydrolysis. 
D)  neutralization. 
E)  hydrogenation.

Question 19

The reactants that will form an ester in the presence of an acid catalyst are

Accepted Answer

A)  two carboxylic acids. 
B)  two alcohols. 
C)  a carboxylic acid and an alcohol. 
D)  an aldehyde and an alcohol. 
E)  two aldehydes. 
A)  two carboxylic acids. 
B)  two alcohols. 
C)  a carboxylic acid and an alcohol. 
D)  an aldehyde and an alcohol. 
E)  two aldehydes.

Question 20

In water solution, how does dilute acetic acid behave?

Accepted Answer

A)  as a strong acid 
B)  as a weak acid 
C)  as a strong base 
D)  as a weak base 
E)  as a neutral compound 
A)  as a strong acid 
B)  as a weak acid 
C)  as a strong base 
D)  as a weak base 
E)  as a neutral compound

Exam 16: Carboxylic Acids and Esters

Long chain carboxylic acids are also known as fatty acids.

Polyesters are plastics that are used to make fabrics, bottles, and medical devices such as heart valves.

The splitting apart of an ester in the presence of a strong acid and water is called

What happens to water solubility as chain length increases in carboxylic acids?

What is the product of the reaction of pentanoic acid with ethanol in the presence of a strong acid?

Which carboxylic acid in the list below is an aromatic carboxylic acid?

Soaps are salts of long chain fatty acids.

Select the correct name for the following. -

The major acidic component of vinegar is formic acid.

Aspirin that has a smell of vinegar has broken down by hydrolysis.

The structural formula of the carboxylic acid produced by the oxidation of 2,2-dimethyl-1-propanol is

Butyl alcohol is one of the reactants used to make methyl butyrate.

What is the irritating acid found in ant and bee stings?

Carboxylic acids are responsible for the sweet taste of fruits and vegetables.

The functional group in acetic acid is called the

What is the product of the reaction of an alcohol and a carboxylic acid when reacted together under acidic conditions?

Identify the family for each of the following compounds. -

A carboxylic acid is prepared from an aldehyde by

The reactants that will form an ester in the presence of an acid catalyst are

In water solution, how does dilute acetic acid behave?

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