Question 1

Match the following.
-phosphorylation

Accepted Answer

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

Question 2

Which of the compounds shown can form hydrogen bonds with other identical molecules? Explain each case.

Accepted Answer

Molecules 2,4,and 5 can form hydrogen bo

Question 3

Match the following.
-alpha carbon

Accepted Answer

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

Question 4

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. 
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.

Question 5

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

Accepted Answer

A) acetic 
B) benzoic 
C) formic 
D) oxalic 
E) stearic 
A) acetic 
B) benzoic 
C) formic 
D) oxalic 
E) stearic

Question 6

Which carboxylic acid is used to prepare the ester shown?

Accepted Answer

A) CH3CH2COOH 
B) CH3COOH 
C) (CH3)2CHCOOH 
D) (CH3)2CHCH2COOH 
E) CH3 (C H2

COOH 
A) CH3CH2COOH 
B) CH3COOH 
C) (CH3)2CHCOOH 
D) (CH3)2CHCH2COOH 
E) CH3 (C H2

COOH

Question 7

The functional groups in the aspirin molecule shown are

Accepted Answer

A) aromatic,carboxylic acid. 
B) aromatic,ester. 
C) carboxylic acid,ester. 
D) aromatic,carboxylic acid,ester. 
E) amide,aromatic,carboxylic acid. 
A) aromatic,carboxylic acid. 
B) aromatic,ester. 
C) carboxylic acid,ester. 
D) aromatic,carboxylic acid,ester. 
E) amide,aromatic,carboxylic acid.

Question 8

What is the IUPAC name of the compound shown?

Accepted Answer

A) 3-hexanoic acid 
B) 2-ethyl pentanoate 
C) 2-ethylpentanoic acid 
D) 3-heptanoic acid 
E) 4-heptanoic acid 
A) 3-hexanoic acid 
B) 2-ethyl pentanoate 
C) 2-ethylpentanoic acid 
D) 3-heptanoic acid 
E) 4-heptanoic acid

Question 9

The products of acid hydrolysis of an ester are

Accepted Answer

A) another ester + water. 
B) alcohol + acid. 
C) alcohol + water. 
D) acid + water. 
E) salt + water. 
A) another ester + water. 
B) alcohol + acid. 
C) alcohol + water. 
D) acid + water. 
E) salt + water.

Question 10

The common chemical name of aspirin is

Accepted Answer

A) acetamide. 
B) acetylsalicylic acid. 
C) phenylalanyl aspartic acid. 
D) acetaminophen. 
E) lidocaine. 
A) acetamide. 
B) acetylsalicylic acid. 
C) phenylalanyl aspartic acid. 
D) acetaminophen. 
E) lidocaine.

Question 11

The potassium or sodium salt of a long chain carboxylic acid is called a

Accepted Answer

A) soap. 
B) triglyceride. 
C) ester. 
D) emollient. 
E) none of the above 
A) soap. 
B) triglyceride. 
C) ester. 
D) emollient. 
E) none of the above

Question 12

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

Question 13

What is the IUPAC name of the molecule shown?

Accepted Answer

A) diethanoic acid 
B) ethanedioc 
C) dibutanoic acid 
D) butanedioic acid 
E) pentanedioic acid 
A) diethanoic acid 
B) ethanedioc 
C) dibutanoic acid 
D) butanedioic acid 
E) pentanedioic acid

Question 14

Which compound is a carboxylic acid?

Accepted Answer

A) CH3COO-K+ 
B) CH3COOH 
C) (CH3)2CHOOCH3 
D) (CH3CO)2O 
E) (CH3)2O 
A) CH3COO-K+ 
B) CH3COOH 
C) (CH3)2CHOOCH3 
D) (CH3CO)2O 
E) (CH3)2O

Question 15

Hydrolysis of the ester ethyl acetate produces

Accepted Answer

A) ethanol and acetic acid. 
B) butanol. 
C) butanal and ethanol. 
D) ethanal and acetic acid. 
E) butanoic acid. 
A) ethanol and acetic acid. 
B) butanol. 
C) butanal and ethanol. 
D) ethanal and acetic acid. 
E) butanoic acid.

Question 16

This compound is

Accepted Answer

A) an anhydride only. 
B) an ester only. 
C) both an ester and an anhydride. 
D) neither an ester nor an anhydride. 
E) phosphoric acid. 
A) an anhydride only. 
B) an ester only. 
C) both an ester and an anhydride. 
D) neither an ester nor an anhydride. 
E) phosphoric acid.

Question 17

Which of the following might be obtained as one of the products in this reaction?

Accepted Answer

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

Question 18

Carboxylic acids generally taste ________.

Accepted Answer

A) sour 
B) sweet 
C) bitter 
D) salty 
E) spicy 
A) sour 
B) sweet 
C) bitter 
D) salty 
E) spicy

Question 19

An acyl group is a group in which

Accepted Answer

A) an amine and a carbonyl are bonded to the same carbon atom. 
B) a hydroxyl and an alkene are bonded to the same carbon atom. 
C) an alpha carbon is bonded to an alkyl group. 
D) an alkyl group is bonded to a carbonyl carbon atom. 
E) an acidic group is bonded to an aromatic group. 
A) an amine and a carbonyl are bonded to the same carbon atom. 
B) a hydroxyl and an alkene are bonded to the same carbon atom. 
C) an alpha carbon is bonded to an alkyl group. 
D) an alkyl group is bonded to a carbonyl carbon atom. 
E) an acidic group is bonded to an aromatic group.

Question 20

Which of the following has the highest boiling point?

Accepted Answer

A) ethane,CH3CH3 
B) dimethyl ketone,CH3COCH3 
C) ethyl alcohol,CH3CH2OH 
D) acetic acid,CH3COOH 
E) formaldehyde,HCHO 
A) ethane,CH3CH3 
B) dimethyl ketone,CH3COCH3 
C) ethyl alcohol,CH3CH2OH 
D) acetic acid,CH3COOH 
E) formaldehyde,HCHO

Exam 17: Carboxylic Acids and Their Derivatives

Match the following. -phosphorylation

Which of the compounds shown can form hydrogen bonds with other identical molecules? Explain each case.

Match the following. -alpha carbon

All of the statements about carboxylic acids are true except

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

Which carboxylic acid is used to prepare the ester shown?

The functional groups in the aspirin molecule shown are

What is the IUPAC name of the compound shown?

The products of acid hydrolysis of an ester are

The common chemical name of aspirin is

The potassium or sodium salt of a long chain carboxylic acid is called a

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

What is the IUPAC name of the molecule shown?

Which compound is a carboxylic acid?

Hydrolysis of the ester ethyl acetate produces

This compound is

Which of the following might be obtained as one of the products in this reaction?

Carboxylic acids generally taste ________.

An acyl group is a group in which

Which of the following has the highest boiling point?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

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