Question 1

Heating a carboxylic acid with a primary amine forms water along with what organic product?

Accepted Answer

A) A primary amide 
B) A secondary amide 
C) A tertiary amide 
D) An ester 
A) A primary amide 
B) A secondary amide 
C) A tertiary amide 
D) An ester

Question 2

Which compound is an a-hydroxy acid?

Accepted Answer

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

Question 3

In a propanoic acid dimer,the two propanoic acid molecules are held together by two ________.

Accepted Answer

The answer of In a propanoic acid dimer,the two propanoic...

Question 4

Compounds that contain both a hydroxyl group (OH)and a carboxyl group (COOH)can undergo an intramolecular esterification reaction. The lactone product shown is the result of the intramolecular esterification reaction of the indicated starting material.

Accepted Answer

A) True 
 B)False

Question 5

What organic product is formed when a carboxylic acid reacts with an alcohol in the presence of sulfuric acid?

Accepted Answer

A) An ether 
B) An ester 
C) A ketone 
D) An amide 
A) An ether 
B) An ester 
C) A ketone 
D) An amide

Question 6

Penicillin acts as an antibiotic by reacting with an enzyme needed to synthesize the cell nucleus of a bacterium.

Accepted Answer

A) True 
 B)False

Question 7

Clavulanic acid (structure shown)is a drug used in conjunction with some antibiotics to overcome certain types of antibiotic resistance. How many chirality centers are in clavulanic acid?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 8

A lactam can be a primary amide.

Accepted Answer

A) True 
 B)False

Question 9

The IUPAC name of the compound below is ________.

Accepted Answer

N-ethyl-3-

Question 10

Fischer esterification can be used to synthesize aspirin from salicylic acid.

Accepted Answer

A) True 
 B)False

Question 11

At the pH of the aqueous environment in the cells,carboxylic acids exist primarily in their ionized form. Consider the structure of succinic acid,an intermediate in the citric acid cycle. Which of the following properly shows how this carboxylic acid exists in the cell?

Accepted Answer

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

Question 12

The compound below has the molecular formula C9H11NO,contains a benzene ring,and is a 2° amide.

Accepted Answer

A) True 
 B)False

Question 13

Which reagent,when reacted with dimethylamine,would produce the compound shown below?

Accepted Answer

A)    
B)    
C)    
D) N(CH3)3 
A)    
B)    
C)    
D) N(CH3)3

Question 14

When a carboxylic acid is dissolved in water,an acid-base equilibrium occurs: the carboxylic acid donates a proton to H2O,forming its conjugate base,a carboxylate anion,and water gains a proton,forming its conjugate acid,H3O+.

Accepted Answer

A) True 
 B)False

Question 15

The compound below can hydrogen bond to another molecule like itself.

Accepted Answer

A) True 
 B)False

Question 16

Carboxylic acids,esters,and amides are three families of organic molecules that contain a carbonyl group (C=O)bonded to an element more electronegative than carbon.

Accepted Answer

A) True 
 B)False

Question 17

2-amino-3-methylpentanoic acid (common name isoleucine)is an essential amino acid found in the body's proteins. Which of the following properly represents the structure of this compound?

Accepted Answer

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

Question 18

All carbonyl compounds that contain a nitrogen atom are amides.

Accepted Answer

A) True 
 B)False

Question 19

What are the products of the reaction shown?

Accepted Answer

A) Hexyl cyclopentanoate + water 
B) Cyclopentyl hexanoate + water 
C) Pentyl cyclopentanoate + water 
D) Cyclopentyl pentanoate + water 
A) Hexyl cyclopentanoate + water 
B) Cyclopentyl hexanoate + water 
C) Pentyl cyclopentanoate + water 
D) Cyclopentyl pentanoate + water

Question 20

Which of the following properly describes soaps?

Accepted Answer

A) Fatty acids 
B) Salts of carboxylic acids that have a long hydrocarbon chain 
C) Salts of carboxylic acids that have a short hydrocarbon chain 
D) Carboxylic acids 
A) Fatty acids 
B) Salts of carboxylic acids that have a long hydrocarbon chain 
C) Salts of carboxylic acids that have a short hydrocarbon chain 
D) Carboxylic acids

Exam 17: Carboxylic Acids,esters,and Amides

Heating a carboxylic acid with a primary amine forms water along with what organic product?

Which compound is an a-hydroxy acid?

In a propanoic acid dimer,the two propanoic acid molecules are held together by two ________.

Compounds that contain both a hydroxyl group (OH)and a carboxyl group (COOH)can undergo an intramolecular esterification reaction. The lactone product shown is the result of the intramolecular esterification reaction of the indicated starting material.

What organic product is formed when a carboxylic acid reacts with an alcohol in the presence of sulfuric acid?

Penicillin acts as an antibiotic by reacting with an enzyme needed to synthesize the cell nucleus of a bacterium.

Clavulanic acid (structure shown)is a drug used in conjunction with some antibiotics to overcome certain types of antibiotic resistance. How many chirality centers are in clavulanic acid?

A lactam can be a primary amide.

The IUPAC name of the compound below is ________.

Fischer esterification can be used to synthesize aspirin from salicylic acid.

At the pH of the aqueous environment in the cells,carboxylic acids exist primarily in their ionized form. Consider the structure of succinic acid,an intermediate in the citric acid cycle. Which of the following properly shows how this carboxylic acid exists in the cell?

The compound below has the molecular formula C9H11NO,contains a benzene ring,and is a 2° amide.

Which reagent,when reacted with dimethylamine,would produce the compound shown below?

When a carboxylic acid is dissolved in water,an acid-base equilibrium occurs: the carboxylic acid donates a proton to H2O,forming its conjugate base,a carboxylate anion,and water gains a proton,forming its conjugate acid,H3O+.

The compound below can hydrogen bond to another molecule like itself.

Carboxylic acids,esters,and amides are three families of organic molecules that contain a carbonyl group (C=O)bonded to an element more electronegative than carbon.

2-amino-3-methylpentanoic acid (common name isoleucine)is an essential amino acid found in the body's proteins. Which of the following properly represents the structure of this compound?

All carbonyl compounds that contain a nitrogen atom are amides.

What are the products of the reaction shown?

Which of the following properly describes soaps?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

The compound below has the molecular formula C₉H₁₁NO,contains a benzene ring,and is a 2° amide.

When a carboxylic acid is dissolved in water,an acid-base equilibrium occurs: the carboxylic acid donates a proton to H₂O,forming its conjugate base,a carboxylate anion,and water gains a proton,forming its conjugate acid,H₃O⁺.