Deck 17: Amines and Amides

Question 1

A disubstituted amide is also called a

A) primary amide
B) tertiary amide
C) quaternary amide
D) secondary amide

Answer 1

tertiary amide

Question 2

Which of the following statements concerning cyclic amines is correct?

A) They are always heterocyclic compounds.
B) They are always aromatic compounds.
C) they can be tertiary but never primary or secondary amines
D) they are never encountered as naturally-occurring compound

Answer 2

They are always heterocyclic compounds.

Question 3

The IUPAC name for the compound is

A) 2-methylpentanamine
B) 4-methylpentanamine
C) 2-methyl-4-pentanamine
D) 4-methyl-2-pentanamine

Answer 3

4-methyl-2-pentanamine

Question 4

The amine salt produced from the reaction of ethyl amine with HCl would have the formula

A)
B)
C)
D)

Question 5

The compound CH₃-CH₂-NH-CH₃ is an example of a

A) primary amine
B) secondary amine
C) tertiary amine
D) primary amide

Question 6

The organic products from the basic hydrolysis of an amide are

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

Question 7

Many amines, in the liquid state, have odors resembling that of

A) garlic
B) raw fish
C) roses
D) skunks

Question 8

Alkylation of a primary amine, under basic conditions, will produce

A) a primary amine
B) a secondary amine
C) a primary ammonium salt
D) an amide

Question 9

Which of the following is not an alkaloid?

A) quinine
B) codeine
C) histamine
D) heroin

Question 10

The common name for the compound CH₃-CH₂-CH₂-NH₂ is

A) propylamine
B) N-propylamine
C) aminopropane
D) N-aminopropane

Question 11

How many potential hydrogen bonding sites are present in a secondary amide?

A) one
B) two
C) three
D) four

Question 12

What is the IUPAC name for the amide whose common name is formamide?

A) methylamide
B) ethanamide
C) ethylamide
D) methanamide

Question 13

The elements present in a primary amine are

A) carbon and nitrogen
B) carbon, nitrogen, and hydrogen
C) carbon, nitrogen, and oxygen
D) carbon, nitrogen, hydrogen, and oxygen

Question 14

The simplest amine and the simplest amide contain, respectively, how many total atoms?

A) Four and five
B) Five and four
C) Seven and six
D) Seven and nine

Question 15

Which of the following statements characterizes amine salt solubilities in water?

A) greater solubility than the parent amine
B) lower solubility than the parent amine
C) identical solubility as the parent amine
D) not soluble in water

Question 16

Amines have basic properties because of the presence of

A) a carboxyl group in such compounds
B) a lone pair of electrons on the nitrogen atom
C) a positive charge on the nitrogen atom
D) acidic hydrogen atoms on the nitrogen atom

Question 17

The structure of urea, the simplest naturally-occurring amide, is

A)
B)
C)
D)

Question 18

The IUPAC name for the compound is

A) 1-amino-4-chlorobenzene
B) p-aminochlorobenzene
C) 4-chloroaniline
D) 1-amino-4-chloroaniline

Question 19

The monomers involved in the production of polyamides are

A) dialcohols and dicarboxylic acids
B) diamines and dicarboxylic acids
C) dialcohols and diamines
D) diesters and diamines

Question 20

The IUPAC name for the compound is

A) methylbutanamide
B) methylpropanamide
C) 1-methylaminopropanamide
D) N-methylpropanamide

Question 21

In which of the following amides is a -NH₂ group present?

A) acetamide
B) N-methylpropanamide
C) 2-methylbutanamide
D) more than one correct response
E) no correct response

Question 22

For which of the following pairs of molecules does the first listed molecule possess more hydrogen-bonding sites than the second listed molecule?

A) ethanamide and propanamide
B) propanamide and N-methylpropanamide
C) N,N-dimethylpropanamide and N-methylpropanamide
D) more than one correct response
E) no correct response

Question 23

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 ethylammonium chloride is an amine salt.
(2) Amides, like amines, can be classified as primary, secondary, and tertiary.
(3) The methylamines are gases at room temperature and pressure, and have "fishy" odors.

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.

Question 24

Which of the following sets of reactants could be used to produce an amine salt?

A) ammonia and hydrochloric acid
B) diethylammonium chloride and sodium hydroxide
C) aniline and sulfuric acid
D) more than one correct response
E) no correct response

Question 25

Which of the following sets of reactants could be used to produce a secondary amine?

A) alkyl halide + primary amine + NaOH
B) disubstituted ammonium salt + NaOH
C) monosubstituted amine + NH₃
D) more than one correct response
E) no correct response

Question 26

Which of the following general types of compounds cannot exist?

A) cyclic amine
B) aromatic amine
C) cyclic amide
D) more than one correct response
E) no correct response

Question 27

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 boiling points of amines are lower than those of corresponding alcohols because N-H hydrogen bonds are stronger than O-H hydrogen bonds.
(2) The "parent" amine for the amide N,N-diethylbenzamide is diethylamine.
(3) Cyclic amides are called lactams.

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.

Question 28

Which of the following statements concerning the basic behavior of amines and amides is correct?

A) Amines but not amides exhibit basic behavior.
B) Both amines and amides exhibit basic behavior.
C) Amides do not exhibit basic behavior.
D) More than one correct response.
E) No correct response.

Question 29

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) Reaction of an amine with water produces a substituted ammonium ion.
(2) Aniline and m-chloroaniline contain the same number of hydrogen atoms.
(3) The monomers needed to produce a polyamide are a diacid and a diamine.

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.

Question 30

For which of the following types of compounds will four constitutional isomers exist?

A) unsaturated three-carbon amine
B) unsaturated three-carbon amide
C) unsaturated four-carbon amine
D) more than one correct response
E) no correct response

Question 31

Constitutional isomerism is possible between members of which of the following types of compounds?

A) amines and amides
B) amides and carboxylic acids
C) primary amines and secondary amines
D) more than one correct response
E) no correct response

Question 32

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) Unsubstituted amines are carbon-hydrogen-nitrogen compounds.
(2) Amides, like amines, exhibit basic properties in aqueous solution.
(3) In a quaternary ammonium ion, all four groups attached to the nitrogen atom are organic groups.

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.

Question 33

Under which of the following conditions would hydrolysis of an amide produce an amine as one of the products?

A) acidic conditions
B) basic conditions
C) neutral conditions
D) more than one correct response
E) no correct response

Question 34

Which of the following amines is paired with an incorrect IUPAC name?

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

Question 35

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) Tert-butylamine is a primary amine.
(2) Most unsubstituted amides are solids at room temperature.
(3) Several important neurotransmitters in the human body are primary amines.

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.

Question 36

Which of the following compounds contains two nitrogen atoms?

A) 1,4-butanediamine
B) 2,N-dimethyl-3-pentanamine
C) aniline
D) more than one correct response
E) no correct response

Question 37

The word amino would be present in the IUPAC name of which of the following compounds?

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

Question 38

Which of the following pairings of amine classification and amine name is correct?

A) monosubstituted amino group; diisopropylamine
B) disubstituted amino group; ethylmethylamine
C) primary amine; tert-butylamine
D) more than one correct response
E) no correct response

Question 39

Which of the following statements about nylon polymers is correct?

A) They are condensation polymers.
B) They are polyamines.
C) Monomers for their production are diamines and dialcohols.
D) More than one correct response.
E) No correct response.

Question 40

The boiling points of amines are lower than those of alcohols of similar molecular mass because:

A) Amines do not contain oxygen.
B) Amines cannot hydrogen bond to each other.
C) N-H hydrogen bonds are weaker than O-H hydrogen bonds.
D) More than one correct response.
E) No correct response.

Question 41

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 reaction of an amine with water produces a basic solution.
(2) Acetamide is a one-carbon amide, and ethanamide is a two-carbon amide.
(3) The most common type of polyamide is a polyurethane.

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.

Question 42

Use the following to answer the questions below:
For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all.

Primary amine, Carboxylic acid

A)amide
B)amine
C)amine salt
D)quaternary ammonium salt

Question 43

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 compounds 1-butanamine and butanamide are constitutional isomers.
(2) The reaction of an alkyl halide with ammonia produces a primary amine.
(3) In the hydrolysis of an amide, a carbon-nitrogen single bond is broken.

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.

Question 44

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) Acidic hydrolysis of an amide produces an acid salt and an amine.
(2) The amide urea contains more nitrogen atoms than carbon atoms.
(3) All cyclic amines are heterocyclic compounds that are either 1⁰ or 2⁰ amines.

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.

Question 45

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) In the presence of a strong base, a primary amine can be converted to a secondary amine by reaction with an alkyl halide.
(2) Morphine, codeine, and heroin are all naturally-occurring alkaloids.
(3) Two -NH₂ groupings are present in each of the compounds 1,4-butanediamine and 3-aminobutanamide.

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.

Question 46

Use the following to answer the questions below:
For each of the compounds, choose from the response list a correct comment concerning the compound's structure. Responses may be used more than once or need not be used at all.
N-methylaniline

A)contains a nitrogen atom bonded to two carbon atoms
B)contains three carbon atoms
C)contains the same number of carbon and nitrogen atoms

Question 47

Use the following to answer the questions below:
For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all.

Amide, Water, Hydrochloric acid

A)amide
B)amine
C)amine salt
D)quaternary ammonium salt

Question 48

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

Benzamide

A) primary amine
B) secondary amine
C) primary amide
D) secondary amide

Question 49

Use the following to answer the questions below:
For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all.

Primary amine, Alkyl halide, Sodium hydroxide

A)amide
B)amine
C)amine salt
D)quaternary ammonium salt

Question 50

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) Caffeine is a central nervous system stimulant whose mode of action is enzyme inhibition.
(2) Theobromine is an alkaloid found in chocolate.
(3) Acetaminophen is a substituted acetamide whose structure includes a benzene ring.

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.

Question 51

Use the following to answer the questions below:
For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all.

Primary amine, Hydrochloric acid

A)amide
B)amine
C)amine salt
D)quaternary ammonium salt

Question 52

Use the following to answer the questions below:
For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all.

Amine salt, Sodium hydroxide

A)amide
B)amine
C)amine salt
D)quaternary ammonium salt

Question 53

Use the following to answer the questions below:
For each of the compounds, choose from the response list a correct comment concerning the compound's structure. Responses may be used more than once or need not be used at all.
N-methylformamide

A)contains a nitrogen atom bonded to two carbon atoms
B)contains three carbon atoms
C)contains the same number of carbon and nitrogen atoms

Question 54

Use the following to answer the questions below:
For each of the compounds, choose from the response list a correct comment concerning the compound's structure. Responses may be used more than once or need not be used at all.
Methanamine

A)contains a nitrogen atom bonded to two carbon atoms
B)contains three carbon atoms
C)contains the same number of carbon and nitrogen atoms