Question 1

Esters are produced through the reaction of

Accepted Answer

A)   a ketone and an ether
B)   an alcohol and a carboxylic acid
C)   a carboxylic acid and an aldehyde
D)   a ketone and an alcoholE) B) and D)
F) B) and C)

Question 2

The ester obtained by reacting methanol and ethanoic acid is called

Accepted Answer

A)   methyl ethane
B)   methyl ethanoate
C)   ethyl methanoate
D)   ethane methanoateE) A) and D)
F) None of the above

Question 3

Use the following to answer the questions below:
For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all.
-Saturated four-carbon dicarboxylic acid

Accepted Answer

A)  two
B)  three
C)  four
D)  fiveE) B) and C)
F) All of the above

Question 4

Use the following to answer the questions below:
For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all.

-Valeric acid, Caproic acid

Accepted Answer

A)   Both are dicarboxylic acids.
B)   Both are C3 acids.
C)   Both are monohydroxy acids.
D)   Both are unsubstituted monocarboxylic acids.E) A) and B)
F) None of the above

Question 5

Use the following to answer the questions below:
For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all.

-Acrylic acid, Pyruvic acid

Accepted Answer

A)   Both are dicarboxylic acids.
B)   Both are C3 acids.
C)   Both are monohydroxy acids.
D)   Both are unsubstituted monocarboxylic acids.E) A) and D)
F) None of the above

Question 6

Which of the following carboxylic acids possesses two acidic hydrogen atoms?

Accepted Answer

A)   butanedioic acid
B)   2-methylbutanoic acid
C)   succinic acid
D)   more than one correct response
E)   no correct responseF) C) and E)
G) A) and E)

Question 7

Which of the following pairings of ester common and IUPAC names is correct?

Accepted Answer

A)   ethyl propionate and propyl ethanoate
B)   propyl acetate and propyl ethanoate
C)   ethyl butyrate and butyl ethanoate
D)   more than one correct response
E)   no correct responseF) None of the above
G) A) and D)

Question 8

Which of the following is a general structural representation for an ester?

Accepted Answer

A)   
B)   
C)   
D)   E) B) and C)
F) A) and B)

Question 9

Use the following to answer the questions below:
Identify the missing reactant in each of the reactions using the response list. Responses may be used more than once or need not be used at all.

-Ester + ?  acid + alcohol

Accepted Answer

A)   water
B)   base in water
C)   alcohol
D)   carboxylic acidE) B) and C)
F) None of the above

Question 10

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1)  Pyruvic acid is the keto acid.
(2)  Reaction of a carboxylic acid with a thiol produces a thioester, a compound containing two carbon-sulfur single bonds.
(3)  One of the products of an esterification reaction is water.

Accepted Answer

A)   All three statements are true.
B)   Two of the three statements are true.
C)   Only one of the statements is true.
D)   None of the statements is true.E) A) and D)
F) B) and C)

Question 11

Which of the following esters is paired with an incorrect IUPAC name for it?

Accepted Answer

A)   
B)   
C)   
D)   more than one correct response
E)   no correct responseF) A) and D)
G) A) and C)

Question 12

Use the following to answer the questions below:
For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all.
-Saturated four-carbon monocarboxylic acid

Accepted Answer

A)  two
B)  three
C)  four
D)  fiveE) All of the above
F) A) and B)

Question 13

Use the following to answer the questions below:
For each pair of compounds, select a correct characterization from the response list. Responses may be used more than once or need not be used at all.

-Butanedioic acid, Butanoic acid

Accepted Answer

A)   have the same molecular formula but are different compounds
B)   both contain a carbon ring system
C)   contain the same number of carbon atoms but are not constitutional isomers
D)   two names for the same compoundE) C) and D)
F) B) and D)

Question 14

Carboxylic acid salts may be converted to their "parent" carboxylic acids by reacting them with

Accepted Answer

A)   a weak base such as ammonia
B)   a strong acid such as HBr
C)   an alcohol such as ethanol
D)   a phenolE) All of the above
F) C) and D)

Question 15

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1)  A carboxylic acid and its corresponding carboxylate ion differ in the number of oxygen atoms they contain.
(2)  In ester hydrolysis, the carbon-oxygen double bond breaks, producing an alcohol and a carboxylic acid.
(3)  The acronym PET stands for polyester(terephthalate) .

Accepted Answer

A)   All three statements are true.
B)   Two of the three statements are true.
C)   Only one of the statements is true.
D)   None of the statements is true.E) B) and C)
F) B) and D)

Question 16

Which of the following statements concerning the properties of carboxylic acids is incorrect?

Accepted Answer

A)   Short-chain monocarboxylic acids are liquids at room temperature.
B)   Carboxylic acids have higher boiling points than alcohols of similar molecular mass.
C)   Carboxylic acids cannot hydrogen bond to water.
D)   Carboxylic acids can hydrogen bond to each other.E) All of the above
F) B) and D)

Question 17

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1)  Hydrogen bonding is not possible between carboxylic acid molecules.
(2)  The alpha-carbon atom in a carboxylic acid is the carbon atom to which the carboxyl group is attached.
(3)  Sodium butanoate and ethyl butanoate are both examples of esters.

Accepted Answer

A)   All three statements are true.
B)   Two of the three statements are true.
C)   Only one of the statements is true.
D)   None of the statements is true.E) B) and D)
F) B) and C)

Question 18

For which of the following biochemically important polyfunctional carboxylic acids is its accompanying characterization correct?

Accepted Answer

A)   fumaric acid; a keto acid
B)   pyruvic acid; an unsaturated acid
C)   lactic acid; a dihydroxy acid
D)   more than one correct response
E)   no correct responseF) A) and E)
G) A) and D)

Question 19

Use the following to answer the questions below:
In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices:
-Statements: (1)  The compound 4-oxobutanoic acid contains both a carboxyl group and a carbonyl group.
(2)  Aldehyde oxidation is a method for preparing a carboxylic acid.
(3)  Both IUPAC and common names for esters consist of two words.

Accepted Answer

A)   All three statements are true.
B)   Two of the three statements are true.
C)   Only one of the statements is true.
D)   None of the statements is true.E) All of the above
F) B) and C)

Question 20

Which of the following statements concerning the acid strength of carboxylic acids is correct?

Accepted Answer

A)   All are weak acids.
B)   All are strong acids.
C)   Aromatic acids are strong and nonaromatic acids are weak.
D)   Unbranched acids are weak and branched acids are strong.E) A) and D)
F) A) and C)

Exam 16: Carboxylic Acids, Esters, and Other Acid Derivatives

Correct Answer
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Use the following to answer the questions below: Identify the missing reactant in each of the reactions using the response list. Responses may be used more than once or need not be used at all. -Ester + ?  acid + alcohol

Correct Answer
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For which of the following biochemically important polyfunctional carboxylic acids is its accompanying characterization correct?

Correct Answer
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The ester obtained by reacting methanol and ethanoic acid is called

Correct Answer
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Which of the following statements concerning the properties of carboxylic acids is incorrect?

Correct Answer
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Which of the following carboxylic acids possesses two acidic hydrogen atoms?

Correct Answer
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Use the following to answer the questions below: For each pair of compounds, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Butanedioic acid, Butanoic acid

Correct Answer
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Which of the following statements concerning the acid strength of carboxylic acids is correct?

Correct Answer
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Use the following to answer the questions below: For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all. -Saturated four-carbon dicarboxylic acid

Correct Answer
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Which of the following esters is paired with an incorrect IUPAC name for it?

Correct Answer
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Carboxylic acid salts may be converted to their "parent" carboxylic acids by reacting them with

Correct Answer
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Esters are produced through the reaction of

Correct Answer
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Which of the following pairings of ester common and IUPAC names is correct?

Correct Answer
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Use the following to answer the questions below: For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Valeric acid, Caproic acid

Correct Answer
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Which of the following is a general structural representation for an ester?

Correct Answer
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Use the following to answer the questions below: For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Acrylic acid, Pyruvic acid

Correct Answer
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Use the following to answer the questions below: For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all. -Saturated four-carbon monocarboxylic acid

Correct Answer
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Exam 16: Carboxylic Acids, Esters, and Other Acid Derivatives

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: Identify the missing reactant in each of the reactions using the response list. Responses may be used more than once or need not be used at all. -Ester + ?  acid + alcohol

Correct AnswerverifiedShow Answer

For which of the following biochemically important polyfunctional carboxylic acids is its accompanying characterization correct?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The ester obtained by reacting methanol and ethanoic acid is called

Correct AnswerverifiedShow Answer

Which of the following statements concerning the properties of carboxylic acids is incorrect?

Correct AnswerverifiedShow Answer

Which of the following carboxylic acids possesses two acidic hydrogen atoms?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: For each pair of compounds, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Butanedioic acid, Butanoic acid

Correct AnswerverifiedShow Answer

Which of the following statements concerning the acid strength of carboxylic acids is correct?

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all. -Saturated four-carbon dicarboxylic acid

Correct AnswerverifiedShow Answer

Which of the following esters is paired with an incorrect IUPAC name for it?

Correct AnswerverifiedShow Answer

Carboxylic acid salts may be converted to their "parent" carboxylic acids by reacting them with

Correct AnswerverifiedShow Answer

Esters are produced through the reaction of

Correct AnswerverifiedShow Answer

Which of the following pairings of ester common and IUPAC names is correct?

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Valeric acid, Caproic acid

Correct AnswerverifiedShow Answer

Which of the following is a general structural representation for an ester?

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: For each pair of carboxylic acids, select a correct characterization from the response list. Responses may be used more than once or need not be used at all. -Acrylic acid, Pyruvic acid

Correct AnswerverifiedShow Answer

Use the following to answer the questions below: For each of the compound characterizations, select from the response list the number of constitutional isomers that exist. Responses may be used more than once or need not be used at all. -Saturated four-carbon monocarboxylic acid

Correct AnswerverifiedShow Answer

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