Question 1

The following compound should be name as 1-((1S, 3R)-3-methylcyclohexyl)benzene.

Accepted Answer

A) True 
 B)False

Question 2

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 3

According to Hückel criteria, sulfathiazole is predicted to be ___________.

Accepted Answer

The answer of According to Hückel criteria, sulfathiazole is predicted...

Question 4

Consider the following structure.   The 1H NMR spectrum of this compound −60°C shows a peak at 7.6 ppm, this would indicate aromaticity.

Accepted Answer

A) True 
 B)False

Question 5

Consider the following structure.  
-If named as an annulene, the name would be [ __ ] annulene.

Accepted Answer

The answer of Consider the following structure.  
-If named...

Question 6

What is the correct assignment of the names of the following heterocycles?

Accepted Answer

A)  1 = pyrrole; 2 = thiophene; 3 = pyridine 
B)  1 = thiophene; 2 = furan; 3 = pyrrole 
C)  1 = pyridine; 2 = thiophene; 3 = furan 
D)  1 = pyridine; 2 = thiophene; 3 = pyrrole 
A)  1 = pyrrole; 2 = thiophene; 3 = pyridine 
B)  1 = thiophene; 2 = furan; 3 = pyrrole 
C)  1 = pyridine; 2 = thiophene; 3 = furan 
D)  1 = pyridine; 2 = thiophene; 3 = pyrrole

Question 7

Which of the following compounds is antiaromatic?

Accepted Answer

A)  ethane 
B)  cyclobutadiene 
C)  benzene 
D)  cyclooctatetraene 
A)  ethane 
B)  cyclobutadiene 
C)  benzene 
D)  cyclooctatetraene

Question 8

List all of the requirements of a molecule for it to be considered aromatic.

Accepted Answer

An aromatic molecule has an un

Question 9

Which orbital contains the lone pair on the nitrogen atom of pyrrole?

Accepted Answer

A)  s 
B)  p 
C)  sp 
D)  sp2 
A)  s 
B)  p 
C)  sp 
D)  sp2

Question 10

Which of the following ions is aromatic?

Accepted Answer

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

Question 11

Which of the following is not true about [the bridged [10]annulene shown below?

Accepted Answer

A)  all of the carbon atoms of bridged [10]annulene are all in the same plane 
B)  bridged [10]annulene is aromatic 
C)  bridged [10]annulene undergoes substitution reactions similar to benzene 
D)  bridged [10]annulene has 10 pi electrons 
A)  all of the carbon atoms of bridged [10]annulene are all in the same plane 
B)  bridged [10]annulene is aromatic 
C)  bridged [10]annulene undergoes substitution reactions similar to benzene 
D)  bridged [10]annulene has 10 pi electrons

Question 12

The product of the following reaction would be 1-bromo-1-phenylethane.

Accepted Answer

A) True 
 B)False

Question 13

What is the correct assignment of the names of the following fused arenes?

Accepted Answer

A)  1 = naphthalene; 2 = anthracene; 3 = pyrene 
B)  1 = naphthalene; 2 = phenanthrene; 3 = coronene 
C)  1 = naphthalene; 2 = anthracene; 3 = benzo[a]pyrene 
D)  1 = anthracene; 2 = naphthalene; 3 = coronene 
A)  1 = naphthalene; 2 = anthracene; 3 = pyrene 
B)  1 = naphthalene; 2 = phenanthrene; 3 = coronene 
C)  1 = naphthalene; 2 = anthracene; 3 = benzo[a]pyrene 
D)  1 = anthracene; 2 = naphthalene; 3 = coronene

Question 14

What is the major organic product obtained from the following reaction?

Accepted Answer

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

Question 15

Which of the following does not undergo oxidation in the presence of H2CrO4?

Accepted Answer

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

Question 16

What is the approximate length of the carbon-carbon bonds in benzene?

Accepted Answer

A)  110 pm 
B)  121 pm 
C)  139 pm 
D)  156 pm 
A)  110 pm 
B)  121 pm 
C)  139 pm 
D)  156 pm

Question 17

The following compound could be produced by reaction of phenol with bromobenzene.

Accepted Answer

A) True 
 B)False

Question 18

Which orbitals contain the lone pairs on the nitrogen atoms labeled i and ii in the imidazole ring?

Accepted Answer

A)  i = sp2;; ii = sp3 
B)  i = p;; ii = sp3 
C)  i = p;; ii = sp3. 
D)  i = p;; ii = sp2 
A)  i = sp2;; ii = sp3 
B)  i = p;; ii = sp3 
C)  i = p;; ii = sp3. 
D)  i = p;; ii = sp2

Question 19

Which of the following has the compounds shown in the correct order of decreasing acidity (i.e., more acidic > less acidic)?

Accepted Answer

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

Question 20

What is the correct assignment of the names of the following substituted benzenes?

Accepted Answer

A)  1 = phenol; 2 = aniline; 3 = anisole 
B)  1 = benzaldehyde; 2 = anisole; 3 = toluene 
C)  1 = anisole; 2 = xylene; 3 = toluene 
D)  1 = anisole; 2 = aniline; 3 = toluene 
A)  1 = phenol; 2 = aniline; 3 = anisole 
B)  1 = benzaldehyde; 2 = anisole; 3 = toluene 
C)  1 = anisole; 2 = xylene; 3 = toluene 
D)  1 = anisole; 2 = aniline; 3 = toluene

Exam 21: Benzene and the Concept of Aromaticity

The following compound should be name as 1-((1S, 3R)-3-methylcyclohexyl)benzene.

What is the major organic product obtained from the following reaction?

According to Hückel criteria, sulfathiazole is predicted to be ___________.

Consider the following structure. The 1H NMR spectrum of this compound −60°C shows a peak at 7.6 ppm, this would indicate aromaticity.

Consider the following structure. -If named as an annulene, the name would be [ __ ] annulene.

What is the correct assignment of the names of the following heterocycles?

Which of the following compounds is antiaromatic?

List all of the requirements of a molecule for it to be considered aromatic.

Which orbital contains the lone pair on the nitrogen atom of pyrrole?

Which of the following ions is aromatic?

Which of the following is not true about [the bridged [10]annulene shown below?

The product of the following reaction would be 1-bromo-1-phenylethane.

What is the correct assignment of the names of the following fused arenes?

What is the major organic product obtained from the following reaction?

Which of the following does not undergo oxidation in the presence of H2CrO4?

What is the approximate length of the carbon-carbon bonds in benzene?

The following compound could be produced by reaction of phenol with bromobenzene.

Which orbitals contain the lone pairs on the nitrogen atoms labeled i and ii in the imidazole ring?

Which of the following has the compounds shown in the correct order of decreasing acidity (i.e., more acidic > less acidic)?

What is the correct assignment of the names of the following substituted benzenes?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

Consider the following structure. The ¹H NMR spectrum of this compound −60°C shows a peak at 7.6 ppm, this would indicate aromaticity.

Which of the following does not undergo oxidation in the presence of H₂CrO₄?