Question 1

Which of the following compounds is a cyclic ester?

Accepted Answer

A)  4-butanolactam 
B)  2-propylactane 
C)  4-butanolactone 
D)  2-propylactam 
A)  4-butanolactam 
B)  2-propylactane 
C)  4-butanolactone 
D)  2-propylactam

Question 2

Which of the following are the products of the hydrolysis of an amide in a basic solution?

Accepted Answer

A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine 
A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine

Question 3

Which of the following statements is true of amide hydrolysis?

Accepted Answer

A)  The reaction is reversible in either an acidic or a basic solution. 
B)  The reaction is irreversible in both acidic and basic solutions. 
C)  The reaction is reversible in an acidic solution but irreversible in a basic solution. 
D)  The reaction is reversible in a basic solution but irreversible in an acidic solution. 
A)  The reaction is reversible in either an acidic or a basic solution. 
B)  The reaction is irreversible in both acidic and basic solutions. 
C)  The reaction is reversible in an acidic solution but irreversible in a basic solution. 
D)  The reaction is reversible in a basic solution but irreversible in an acidic solution.

Question 4

Which of the following is an example of a polyester?

Accepted Answer

A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  polyethylene terephthalate 
A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  polyethylene terephthalate

Question 5

Which of the following compounds would react together at room temperature to form the given compound?

Accepted Answer

A)  hexanamide and 2-propanol 
B)  hexanoic acid and 2-propanamine 
C)  2-propanamine and hexanoic anhydride 
D)  pentanoic acid and 2-propanamine 
A)  hexanamide and 2-propanol 
B)  hexanoic acid and 2-propanamine 
C)  2-propanamine and hexanoic anhydride 
D)  pentanoic acid and 2-propanamine

Question 6

Predict the major products of the given reaction.

Accepted Answer

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

Question 7

Which of the following gives the correct order of ease of hydrolysis (with easiest to hydrolyze listed first)?

Accepted Answer

A)  anhydrides, esters, amides 
B)  anhydrides, amides, esters 
C)  amides, esters, anhydrides 
D)  amides, anhydrides, esters 
A)  anhydrides, esters, amides 
B)  anhydrides, amides, esters 
C)  amides, esters, anhydrides 
D)  amides, anhydrides, esters

Question 8

What is the minimum number of carbon atoms present in an anhydride?

Accepted Answer

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

Question 9

Identify the IUPAC name of the given compound.

Accepted Answer

A)  propyl ethanoate 
B)  butyl ethanoate 
C)  ethyl propanoate 
D)  ethyl butanoate 
A)  propyl ethanoate 
B)  butyl ethanoate 
C)  ethyl propanoate 
D)  ethyl butanoate

Question 10

Which of the following occurs during an esterification reaction?

Accepted Answer

A)  An alcohol loses its -OH group and a carboxylic acid loses its -H atom. 
B)  A carboxylic acid loses its -OH group and an alcohol loses its -H atom. 
C)  A carboxylic acid loses its -OH group and an amine loses its -H atom. 
D)  A carboxylic acid loses its double-bonded oxygen and an amine loses two hydrogens. 
A)  An alcohol loses its -OH group and a carboxylic acid loses its -H atom. 
B)  A carboxylic acid loses its -OH group and an alcohol loses its -H atom. 
C)  A carboxylic acid loses its -OH group and an amine loses its -H atom. 
D)  A carboxylic acid loses its double-bonded oxygen and an amine loses two hydrogens.

Question 11

Which of the following are the products of the hydrolysis of an amide in an acidic solution?

Accepted Answer

A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine 
A)  a carboxylic acid and an ammonium salt 
B)  a carboxylic acid and an amine 
C)  a carboxylate salt and an ammonium salt 
D)  a carboxylate salt and an amine

Question 12

Which of the following is an example of a polycarbonate?

Accepted Answer

A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  poly(ethylene terephthalate) 
A)  Lexan 
B)  nylon-66 
C)  polystyrene 
D)  poly(ethylene terephthalate)

Question 13

Which of the following are anhydrides?

Accepted Answer

A)  only (i) and (ii) 
B)  only (i) and (iii). 
C)  only (i) and (iii) 
D)  (i), (ii) and (iii) 
A)  only (i) and (ii) 
B)  only (i) and (iii). 
C)  only (i) and (iii) 
D)  (i), (ii) and (iii)

Question 14

How many atoms are present in the smallest anhydride?

Accepted Answer

A)  5 
B)  7 
C)  9 
D)  11 
A)  5 
B)  7 
C)  9 
D)  11

Question 15

Identify the correct pair of reactants used in the formation of nylon-66.

Accepted Answer

A)  H2N(CH2)4NH2 and HOOC(CH2)6COOH 
B)  H2N(CH2)4NH2 and HOOC(CH2)4COOH 
C)  H2N(CH2)6NH2 and HOOC(CH4)6COOH 
D)  H2N(CH2)6NH2 and HOOC(CH2)4COOH 
A)  H2N(CH2)4NH2 and HOOC(CH2)6COOH 
B)  H2N(CH2)4NH2 and HOOC(CH2)4COOH 
C)  H2N(CH2)6NH2 and HOOC(CH4)6COOH 
D)  H2N(CH2)6NH2 and HOOC(CH2)4COOH

Question 16

Which of the following best describes the functional group of anhydrides?

Accepted Answer

A)  two carbonyl groups bonded directly to each other 
B)  two carboxyl groups bonded directly to each other 
C)  two carbonyl groups bonded to the same oxygen atom 
D)  two carboxyl groups bonded to the same oxygen atom 
A)  two carbonyl groups bonded directly to each other 
B)  two carboxyl groups bonded directly to each other 
C)  two carbonyl groups bonded to the same oxygen atom 
D)  two carboxyl groups bonded to the same oxygen atom

Question 17

Identify the IUPAC name of the following compound.

Accepted Answer

A)  diamino pentanoate 
B)  pentanediamine 
C)  pentanediamide 
D)  diamidopropane 
A)  diamino pentanoate 
B)  pentanediamine 
C)  pentanediamide 
D)  diamidopropane

Question 18

Examine the following ball-and-stick model. Elements other than carbon and hydrogen are labeled.   ​ Identify the functional group present in the given compound.

Accepted Answer

A)  anhydride 
B)  amide 
C)  ester 
D)  amine 
A)  anhydride 
B)  amide 
C)  ester 
D)  amine

Question 19

Which of the following products is formed when an ammonium carboxylate salt is heated?

Accepted Answer

A)  an amide 
B)  an amino acid 
C)  an amide and an amino acid 
D)  none of these 
A)  an amide 
B)  an amino acid 
C)  an amide and an amino acid 
D)  none of these

Question 20

Consider the following compound.   Which of the following correctly describes the reaction of the given compound with water in the presence of either an acid or a base?

Accepted Answer

A)  The reaction in the presence of a base produces an ammonium salt. 
B)  The reaction in the presence of a base produces a carboxylic acid. 
C)  The reaction in the presence of an acid produces an anilinium salt. 
D)  The reaction in the presence of an acid produces a carboxylate salt. 
E)  None of these accurately describe the reaction. 
A)  The reaction in the presence of a base produces an ammonium salt. 
B)  The reaction in the presence of a base produces a carboxylic acid. 
C)  The reaction in the presence of an acid produces an anilinium salt. 
D)  The reaction in the presence of an acid produces a carboxylate salt. 
E)  None of these accurately describe the reaction.

Exam 18: Carboxylic Anhydrides, Esters, and Amides

Which of the following compounds is a cyclic ester?

Which of the following are the products of the hydrolysis of an amide in a basic solution?

Which of the following statements is true of amide hydrolysis?

Which of the following is an example of a polyester?

Which of the following compounds would react together at room temperature to form the given compound?

Predict the major products of the given reaction.

Which of the following gives the correct order of ease of hydrolysis (with easiest to hydrolyze listed first)?

What is the minimum number of carbon atoms present in an anhydride?

Identify the IUPAC name of the given compound.

Which of the following occurs during an esterification reaction?

Which of the following are the products of the hydrolysis of an amide in an acidic solution?

Which of the following is an example of a polycarbonate?

Which of the following are anhydrides?

How many atoms are present in the smallest anhydride?

Identify the correct pair of reactants used in the formation of nylon-66.

Which of the following best describes the functional group of anhydrides?

Identify the IUPAC name of the following compound.

Examine the following ball-and-stick model. Elements other than carbon and hydrogen are labeled. ​ Identify the functional group present in the given compound.

Which of the following products is formed when an ammonium carboxylate salt is heated?

Consider the following compound. Which of the following correctly describes the reaction of the given compound with water in the presence of either an acid or a base?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Examine the following ball-and-stick model. Elements other than carbon and hydrogen are labeled. Identify the functional group present in the given compound.