Question 1

Which of the following will be the strongest base?

Accepted Answer

A)  (i) 
B)  (ii) 
C)  (iii) 
D)  none of these compounds are basic 
A)  (i) 
B)  (ii) 
C)  (iii) 
D)  none of these compounds are basic B

Question 2

Which element is the fourth most common element in organic compounds?

Accepted Answer

A)  N 
B)  O 
C)  P 
D)  S 
A)  N 
B)  O 
C)  P 
D)  S A

Question 3

Which of the following is true of the solubility of amines?

Accepted Answer

A)  All amines are insoluble in water. 
B)  All amines are soluble in water. 
C)  Most low molecular weight amines are soluble in water. 
D)  Amines decompose when water is added to them. 
A)  All amines are insoluble in water. 
B)  All amines are soluble in water. 
C)  Most low molecular weight amines are soluble in water. 
D)  Amines decompose when water is added to them. C

Question 4

Trimethylamine, ethylmethylamine, and propylamine are constitutional isomers. Based on their shapes and hydrogen bonding ability, which of the following is true regarding their boiling points?

Accepted Answer

A)  They all have very nearly the same boiling points, so it is hard to predict the order. 
B)  The predictions based on shape are opposite to those based on hydrogen bonding considerations, so it is hard to predict the order. 
C)  propylamine  ethylmethylamine > trimethylamine 
A)  They all have very nearly the same boiling points, so it is hard to predict the order. 
B)  The predictions based on shape are opposite to those based on hydrogen bonding considerations, so it is hard to predict the order. 
C)  propylamine  ethylmethylamine > trimethylamine

Question 5

Phentermine, also called Fastin, is an example of which type of amine?

Accepted Answer

A)  primary aliphatic 
B)  primary aromatic 
C)  tertiary aliphatic 
D)  tertiary aromatic 
A)  primary aliphatic 
B)  primary aromatic 
C)  tertiary aliphatic 
D)  tertiary aromatic

Question 6

On a container of medicine the name of the active ingredient is followed by the symbol •HCl. What does this indicate?

Accepted Answer

A)  The active ingredient is highly acidic. 
B)  The active ingredient is present as the hydrochloride salt. 
C)  The active ingredient is insoluble in water. 
D)  The active ingredient is very susceptible to oxidation. 
A)  The active ingredient is highly acidic. 
B)  The active ingredient is present as the hydrochloride salt. 
C)  The active ingredient is insoluble in water. 
D)  The active ingredient is very susceptible to oxidation.

Question 7

What is the IUPAC name of the following compound?

Accepted Answer

A)  1,2-dimethylaniline 
B)  1,2-dimethyl-4-aminobenzene 
C)  3,4-dimethylaniline 
D)  3,4-dimethylcyclohexanamine 
A)  1,2-dimethylaniline 
B)  1,2-dimethyl-4-aminobenzene 
C)  3,4-dimethylaniline 
D)  3,4-dimethylcyclohexanamine

Question 8

Amphetamine, also called Benzedrine, is an example of which type of amine?

Accepted Answer

A)  primary aliphatic 
B)  primary aromatic 
C)  secondary aliphatic 
D)  secondary aromatic 
A)  primary aliphatic 
B)  primary aromatic 
C)  secondary aliphatic 
D)  secondary aromatic

Question 9

Which of the following gives the correct order of solubility in water?

Accepted Answer

A)  C2H5NH2 4H9NH2 6H13NH2 
B)  C2H5NH2 6H13NH2 4H9NH2 
C)  C6H13NH2 4H9NH2 2H5NH2 
D)  C6H13NH2 2H5NH2 4H9NH2 
A)  C2H5NH2 4H9NH2 6H13NH2 
B)  C2H5NH2 6H13NH2 4H9NH2 
C)  C6H13NH2 4H9NH2 2H5NH2 
D)  C6H13NH2 2H5NH2 4H9NH2

Question 10

When N,N- is part of the IUPAC name of an amine which of the following is true?

Accepted Answer

A)  The amine is a 1° amine. 
B)  The amine is a 2° amine. 
C)  The amine is a 3° amine. 
D)  The amine has more than one N atom. 
A)  The amine is a 1° amine. 
B)  The amine is a 2° amine. 
C)  The amine is a 3° amine. 
D)  The amine has more than one N atom.

Question 11

Which of the following is the simplest aromatic amine?

Accepted Answer

A)  anilamine 
B)  aniline 
C)  anisole 
D)  benzylamine 
A)  anilamine 
B)  aniline 
C)  anisole 
D)  benzylamine

Question 12

How many hydrogen atoms are in cyclohexanamine?

Accepted Answer

A)  5 
B)  7 
C)  8 
D)  12 
E)  13 
A)  5 
B)  7 
C)  8 
D)  12 
E)  13

Question 13

Which of the following compounds are primary aliphatic amines?

Accepted Answer

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

Question 14

Which of the following amines serve as a building block for the amine bases of DNA and RNA?

Accepted Answer

A)  purine 
B)  pyridine 
C)  both a and b 
D)  neither a nor 
A)  purine 
B)  pyridine 
C)  both a and b 
D)  neither a nor

Question 15

Which of the following structural features is found in all catecholamines?

Accepted Answer

A)  the presence of two hydroxyl group in meta positions on a benzene ring 
B)  the presence of two hydroxyl groups in ortho positions on a benzene ring 
C)  the presence of two hydroxyl groups in para positions on a benzene ring 
D)  none of the above 
A)  the presence of two hydroxyl group in meta positions on a benzene ring 
B)  the presence of two hydroxyl groups in ortho positions on a benzene ring 
C)  the presence of two hydroxyl groups in para positions on a benzene ring 
D)  none of the above

Question 16

Which of the following will have the highest boiling point?

Accepted Answer

A)  CH3CH2CH2OH 
B)  CH3CH2CH2NH2 
C)  NH2CH2CH2OH 
D)  NH2CH2CH2NH2 
A)  CH3CH2CH2OH 
B)  CH3CH2CH2NH2 
C)  NH2CH2CH2OH 
D)  NH2CH2CH2NH2

Question 17

Which of the following amines serve as a building block for the amine bases of DNA and RNA?

Accepted Answer

A)  purine 
B)  pyrimidine 
C)  both a and b 
D)  neither a nor b 
A)  purine 
B)  pyrimidine 
C)  both a and b 
D)  neither a nor b

Question 18

Which of the following is a primary amine?

Accepted Answer

A)  albuterol 
B)  epinephrine 
C)  isoproterenol 
D)  none of these 
A)  albuterol 
B)  epinephrine 
C)  isoproterenol 
D)  none of these

Question 19

What is the IUPAC name of the following compound?

Accepted Answer

A)  N-propylpentanamine 
B)  N,N-diethyl-1-propanamine 
C)  diethylpropylamine 
D)  N,N-ethylpropanamine 
A)  N-propylpentanamine 
B)  N,N-diethyl-1-propanamine 
C)  diethylpropylamine 
D)  N,N-ethylpropanamine

Question 20

Which of the following occurs when amines react with water?

Accepted Answer

A)  The amine loses a hydrogen atom. 
B)  The amine loses a lone pair of electrons. 
C)  The lone pair of electrons of the amine forms a covalent bond with a hydrogen atom of water and a hydronium ion is displaced. 
D)  The lone pair of electrons of the amine forms a covalent bond with a hydrogen atom of water and a hydroxide ion is displaced. 
A)  The amine loses a hydrogen atom. 
B)  The amine loses a lone pair of electrons. 
C)  The lone pair of electrons of the amine forms a covalent bond with a hydrogen atom of water and a hydronium ion is displaced. 
D)  The lone pair of electrons of the amine forms a covalent bond with a hydrogen atom of water and a hydroxide ion is displaced.

Exam 16: Amines

Which of the following will be the strongest base?

Which element is the fourth most common element in organic compounds?

Which of the following is true of the solubility of amines?

Trimethylamine, ethylmethylamine, and propylamine are constitutional isomers. Based on their shapes and hydrogen bonding ability, which of the following is true regarding their boiling points?

Phentermine, also called Fastin, is an example of which type of amine?

On a container of medicine the name of the active ingredient is followed by the symbol •HCl. What does this indicate?

What is the IUPAC name of the following compound?

Amphetamine, also called Benzedrine, is an example of which type of amine?

Which of the following gives the correct order of solubility in water?

When N,N- is part of the IUPAC name of an amine which of the following is true?

Which of the following is the simplest aromatic amine?

How many hydrogen atoms are in cyclohexanamine?

Which of the following compounds are primary aliphatic amines?

Which of the following amines serve as a building block for the amine bases of DNA and RNA?

Which of the following structural features is found in all catecholamines?

Which of the following will have the highest boiling point?

Which of the following amines serve as a building block for the amine bases of DNA and RNA?

Which of the following is a primary amine?

What is the IUPAC name of the following compound?

Which of the following occurs when amines react with water?

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 and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

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