Question 1

What is the IUPAC name of the molecule shown?

Accepted Answer

A)  ethyl butanoate
B)  butyl ethanoate
C)  acetyl butyrate
D)  butyl acetate
E)  2-hexanoic esterF) A) and D)
G) A) and B)

Question 2

All of the statements about carboxylic acids are true except

Accepted Answer

A)  they undergo substitution reactions involving the -OH group.
B)  at low molecular weights they are liquids with sharp stinging odors.
C)  they form hydrogen bonds,causing their boiling points to be higher than expected on the basis of molecular weight.
D)  they react with bases to form salts which are often more soluble than the original acid.
E)  when they behave as acids,the -OH group is lost leaving the CO- ion.F) C) and D)
G) B) and D)

Question 3

The solubility of compounds containing the carboxylic acid group can be increased by reaction with

Accepted Answer

A)  sulfuric acid.
B)  nitric acid.
C)  sodium hydroxide.
D)  water.
E)  benzoic acid.F) B) and E)
G) A) and B)

Question 4

One requirement for the reactants in the formation of polyester is that each molecule contain

Accepted Answer

A)  at least one carbon-carbon double bond.
B)  one aromatic ring.
C)  at least two functional groups that can form ester linkages.
D)  an amine group somewhere on the carbon skeleton.
E)  none of theseF) A) and B)
G) A) and E)

Question 5

Which of the following acids is the strongest?

Accepted Answer

A)  acetic acid,pKa = 4.74
B)  hexanoic acid,pKa = 4.89
C)  formic acid,pKa = 3.74
D)  oxalic acid,pKa1 = 1.27
E)  carbonic acid,pKa1 = 6.35F) C) and E)
G) B) and D)

Question 6

When an alcohol reacts with a carboxylic acid the major product is a(n)

Accepted Answer

A)  amide.
B)  amine.
C)  ester.
D)  salt.
E)  soap.F) B) and E)
G) A) and C)

Question 7

What is the IUPAC name of the compound shown?
CH3CH2COOCH3

Accepted Answer

A)  2-butanoic acid
B)  3-butanoic acid
C)  methyl ethanoate
D)  propyl methanoate
E)  methyl propanoateF) A) and D)
G) A) and C)

Question 8

All of the statements concerning citric acid are true except

Accepted Answer

A)  it contains three carboxylic acid groups.
B)  it is very soluble in water.
C)  its salts are used in many consumer products.
D)  it is produced only by plants.
E)  it is a weak acid.F) A) and E)
G) B) and E)

Question 9

Reaction of butanoic acid with ethanol produces

Accepted Answer

A)  butyl ethanoate.
B)  ethyl butanoate.
C)  butyl ethanamide.
D)  ethyl butanamide.
E)  butyl ethyl ester.F) C) and E)
G) B) and E)

Question 10

Match the following.
-ethanoic acid

Accepted Answer

A)  a functional group consisting of a carbonyl carbon with a single bond to another oxygen;the remaining bonds are formed with R groups
B)  a functional group consisting of an amine group bonded to a carbonyl carbon
C)  the carbon atom bonded directly to the carbonyl carbon atom
D)  a molecule that contains one phosphate ester linkage and two phosphoric anhydride linkages
E)  the type of ester produced when phosphoric acid reacts with two molecules of alcoholF) a functional group formed when two acid molecules give up one water moleculeG) the type of ester produced when phosphoric acid reacts with one molecule of alcoholH) a molecule that contains one phosphate ester linkage and one phosphoric anhydride linkageI) The common name of this compound is acetic acid.J) The common name of this compound is formic acid.K) a polymer produced by reacting diamines with diacids or diacyl chloridesL) the transfer of a phosphoryl group from one molecule to anotherM) the type of ester produced when phosphoric acid reacts with three molecules of alcoholN) A) and L)
O) B) and D)

Question 11

Which is the correct structure for 3-methyl butanamide?

Accepted Answer

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

Question 12

Which of these compounds is the most soluble in water?

Accepted Answer

A)  CH3CH2CH2CH2CH2COOH
B)  CH3CH2CH2CH2CH2COO-Na+
C)  CH3CH2CH2CH2CH2OH
D)  CH3CH2CH2CH2CH2CH3
E)  CH3CH2OCH2CH2CH3F) A) and C)
G) B) and E)

Question 13

The two monomers used to make Dacron polyester fabric are

Accepted Answer

A)  ethylene glycol and mylar.
B)  terephthalic acid and mylar.
C)  propylene glycol and mylar.
D)  ethylene glycol and terephthalic acid.
E)  none of the aboveF) A) and C)
G) None of the above

Question 14

Reaction of a carboxylic acid with a base like sodium hydroxide,NaOH gives a(n)

Accepted Answer

A)  carboxylate salt.
B)  alkoxide salt.
C)  ester.
D)  alcohol.
E)  none of the aboveF) A) and D)
G) C) and E)

Question 15

Which formula correctly illustrates the form which acetic acid would take in a basic solution?

Accepted Answer

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

Question 16

Which molecule is acetic acid?

Accepted Answer

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

Question 17

Match the following.
-ester

Accepted Answer

A)  a functional group consisting of a carbonyl carbon with a single bond to another oxygen;the remaining bonds are formed with R groups
B)  a functional group consisting of an amine group bonded to a carbonyl carbon
C)  the carbon atom bonded directly to the carbonyl carbon atom
D)  a molecule that contains one phosphate ester linkage and two phosphoric anhydride linkages
E)  the type of ester produced when phosphoric acid reacts with two molecules of alcoholF) a functional group formed when two acid molecules give up one water moleculeG) the type of ester produced when phosphoric acid reacts with one molecule of alcoholH) a molecule that contains one phosphate ester linkage and one phosphoric anhydride linkageI) The common name of this compound is acetic acid.J) The common name of this compound is formic acid.K) a polymer produced by reacting diamines with diacids or diacyl chloridesL) the transfer of a phosphoryl group from one molecule to anotherM) the type of ester produced when phosphoric acid reacts with three molecules of alcoholN) B) and M)
O) H) and L)

Question 18

Which acid would be expected to have the lowest boiling point?

Accepted Answer

A)  acetic,CH3CO2H
B)  benzoic,C6H5CO2H
C)  formic,HCO2H
D)  oxalic, (CO2H) 2
E)  stearic,CH3(CH2) 16CO2HF) A) and C)
G) A) and D)

Question 19

Match the following.
-phosphate monoester

Accepted Answer

A)  a functional group consisting of a carbonyl carbon with a single bond to another oxygen;the remaining bonds are formed with R groups
B)  a functional group consisting of an amine group bonded to a carbonyl carbon
C)  the carbon atom bonded directly to the carbonyl carbon atom
D)  a molecule that contains one phosphate ester linkage and two phosphoric anhydride linkages
E)  the type of ester produced when phosphoric acid reacts with two molecules of alcoholF) a functional group formed when two acid molecules give up one water moleculeG) the type of ester produced when phosphoric acid reacts with one molecule of alcoholH) a molecule that contains one phosphate ester linkage and one phosphoric anhydride linkageI) The common name of this compound is acetic acid.J) The common name of this compound is formic acid.K) a polymer produced by reacting diamines with diacids or diacyl chloridesL) the transfer of a phosphoryl group from one molecule to anotherM) the type of ester produced when phosphoric acid reacts with three molecules of alcoholN) A) and E)
O) F) and H)

Question 20

In order to synthesize N-phenyl acetamide what should you combine aniline with?

Accepted Answer

A)  butanoic acid
B)  acetic acid
C)  methyl amine
D)  hydrocholoric acid
E)  benzoic acidF) A) and B)
G) A) and C)

Exam 17: Carboxylic Acids and Their Derivatives

What is the IUPAC name of the molecule shown?

Correct AnswerverifiedShow Answer

All of the statements about carboxylic acids are true except

Correct AnswerverifiedShow Answer

Which molecule is acetic acid?

Correct AnswerverifiedShow Answer

Match the following. -phosphate monoester

Correct AnswerverifiedShow Answer

Match the following. -ethanoic acid

Correct AnswerverifiedShow Answer

What is the IUPAC name of the compound shown? CH3CH2COOCH3

Correct AnswerverifiedShow Answer

Match the following. -ester

Correct AnswerverifiedShow Answer

The solubility of compounds containing the carboxylic acid group can be increased by reaction with

Correct AnswerverifiedShow Answer

When an alcohol reacts with a carboxylic acid the major product is a(n)

Correct AnswerverifiedShow Answer

The two monomers used to make Dacron polyester fabric are

Correct AnswerverifiedShow Answer

Reaction of butanoic acid with ethanol produces

Correct AnswerverifiedShow Answer

One requirement for the reactants in the formation of polyester is that each molecule contain

Correct AnswerverifiedShow Answer

In order to synthesize N-phenyl acetamide what should you combine aniline with?

Correct AnswerverifiedShow Answer

Which is the correct structure for 3-methyl butanamide?

Correct AnswerverifiedShow Answer

Which formula correctly illustrates the form which acetic acid would take in a basic solution?

Correct AnswerverifiedShow Answer

Which of these compounds is the most soluble in water?

Correct AnswerverifiedShow Answer

Reaction of a carboxylic acid with a base like sodium hydroxide,NaOH gives a(n)

Correct AnswerverifiedShow Answer

All of the statements concerning citric acid are true except

Correct AnswerverifiedShow Answer

Which of the following acids is the strongest?

Correct AnswerverifiedShow Answer

Which acid would be expected to have the lowest boiling point?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the IUPAC name of the compound shown? CH₃CH₂COOCH₃

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified