Question 1

What would be the products if ethyl stearate were to undergo hydrolysis?

Accepted Answer

A)  There would be no products formed. 
B)  The products would be ethylaldehyde and stearone. 
C)  The products would be ethanol and stearic acid. 
D)  The products would be ethyl stearate hydrate. 
A)  There would be no products formed. 
B)  The products would be ethylaldehyde and stearone. 
C)  The products would be ethanol and stearic acid. 
D)  The products would be ethyl stearate hydrate.

Question 2

As CH3COOH dissolves in water,H3O+ and ____ are formed.

Accepted Answer

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

Question 3

Two molecules of a carboxylic acid are joined together by two hydrogen bonds.This is referred to as a(n)____.

Accepted Answer

A)  dimer 
B)  amide 
C)  ester 
D)  carboxylate 
A)  dimer 
B)  amide 
C)  ester 
D)  carboxylate

Question 4

Which acid is responsible for the stinging sensation from the bite of a fire ant?

Accepted Answer

A)  acetic acid 
B)  butyric acid 
C)  caproic acid 
D)  formic acid 
A)  acetic acid 
B)  butyric acid 
C)  caproic acid 
D)  formic acid

Question 5

Which of the following conditions would favor the carboxylate ion instead of the carboxylic acid?

Accepted Answer

A)  low pH 
B)  high pH 
C)  both low pH and high pH 
D)  neither low pH or high pH 
A)  low pH 
B)  high pH 
C)  both low pH and high pH 
D)  neither low pH or high pH

Question 6

Esters are more easily prepared from acid chlorides than from the acid directly.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following sets of reactants could be used to produce a polyester?

Accepted Answer

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

Question 8

Which of the following is structure of bromomethyl ethanoate?

Accepted Answer

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

Question 9

Pure liquid carboxylic acids are strongly hydrogen bonded even in the absence of water.

Accepted Answer

A) True 
 B)False

Question 10

Butyric acid is composed of a molecule that is small enough to evaporate from the liquid state at room temperature and,therefore,may have a scent.

Accepted Answer

A) True 
 B)False

Question 11

Which term correctly describes the following reaction?

Accepted Answer

A)  esterification 
B)  dissociation 
C)  hydrolysis 
D)  saponification 
A)  esterification 
B)  dissociation 
C)  hydrolysis 
D)  saponification

Question 12

Which of the following has the greatest solubility in water?

Accepted Answer

A)  formic acid 
B)  propionic acid 
C)  acetic acid 
D)  all are equal 
A)  formic acid 
B)  propionic acid 
C)  acetic acid 
D)  all are equal

Question 13

If an intermediate in metabolism is a diester of phosphoric acid,it would have which general formula? (Note: R represents a generic alkyl chain. )

Accepted Answer

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

Question 14

What is the common name of the compound shown below?

Accepted Answer

A)  methyl propionate 
B)  propyl acetate 
C)  ethyl acetate 
D)  ethyl propionate 
A)  methyl propionate 
B)  propyl acetate 
C)  ethyl acetate 
D)  ethyl propionate

Question 15

Saponification is a chemical reaction

Accepted Answer

A)  that results in a soap. 
B)  due to the presence of a strong organic acid. 
C)  that results in an alcohol and a carboxylic acid. 
D)  that explains why soap does not wash off easily in hard water. 
A)  that results in a soap. 
B)  due to the presence of a strong organic acid. 
C)  that results in an alcohol and a carboxylic acid. 
D)  that explains why soap does not wash off easily in hard water.

Question 16

What is the product of the following reaction?

Accepted Answer

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

Question 17

Which of the following statements about carboxylic acids is true?

Accepted Answer

A)  All are weak acids. 
B)  Produce hydrogen ions in water. 
C)  Will react with strong bases. 
D)  All of the choices are true. 
A)  All are weak acids. 
B)  Produce hydrogen ions in water. 
C)  Will react with strong bases. 
D)  All of the choices are true.

Question 18

The following ion could be converted to the corresponding carboxylic acid by _____.

Accepted Answer

A)  heating 
B)  adding an acid 
C)  adding water 
D)  adding a base 
A)  heating 
B)  adding an acid 
C)  adding water 
D)  adding a base

Question 19

What would be produced as the result of a dehydration reaction between a carboxylic acid and an alcohol?

Accepted Answer

A)  aldehyde 
B)  ester 
C)  acid anhydride 
D)  alkene 
A)  aldehyde 
B)  ester 
C)  acid anhydride 
D)  alkene

Question 20

How many mL of a 0.150 M solution of KOH would be required to titrate 25.0 mL of a 0.125 M solution of the following acid,which can be used as a standard in acid-base titrations?

Accepted Answer

A)  10.4 mL 
B)  30.0 mL 
C)  20.8 mL 
D)  41.7 mL 
A)  10.4 mL 
B)  30.0 mL 
C)  20.8 mL 
D)  41.7 mL

Exam 15: Carboxylic Acids and Esters

What would be the products if ethyl stearate were to undergo hydrolysis?

As CH3COOH dissolves in water,H3O+ and ____ are formed.

Two molecules of a carboxylic acid are joined together by two hydrogen bonds.This is referred to as a(n)____.

Which acid is responsible for the stinging sensation from the bite of a fire ant?

Which of the following conditions would favor the carboxylate ion instead of the carboxylic acid?

Esters are more easily prepared from acid chlorides than from the acid directly.

Which of the following sets of reactants could be used to produce a polyester?

Which of the following is structure of bromomethyl ethanoate?

Pure liquid carboxylic acids are strongly hydrogen bonded even in the absence of water.

Butyric acid is composed of a molecule that is small enough to evaporate from the liquid state at room temperature and,therefore,may have a scent.

Which term correctly describes the following reaction?

Which of the following has the greatest solubility in water?

If an intermediate in metabolism is a diester of phosphoric acid,it would have which general formula? (Note: R represents a generic alkyl chain. )

What is the common name of the compound shown below?

Saponification is a chemical reaction

What is the product of the following reaction?

Which of the following statements about carboxylic acids is true?

The following ion could be converted to the corresponding carboxylic acid by _____.

What would be produced as the result of a dehydration reaction between a carboxylic acid and an alcohol?

How many mL of a 0.150 M solution of KOH would be required to titrate 25.0 mL of a 0.125 M solution of the following acid,which can be used as a standard in acid-base titrations?

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

As CH₃COOH dissolves in water,H₃O⁺ and ____ are formed.