Question 1

Which of the following compounds is not aromatic?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV A

Question 2

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

Accepted Answer

A) I = pyridine; II = pyrimidine; III = furan 
B) I = pyrimidine; II =pyrrole; III = furan 
C) I = pyridine; II = pyrrole; III = furan 
D) I = pyrimidine; II = pyrrole; III = tetrahydrofuran 
A) I = pyridine; II = pyrimidine; III = furan 
B) I = pyrimidine; II =pyrrole; III = furan 
C) I = pyridine; II = pyrrole; III = furan 
D) I = pyrimidine; II = pyrrole; III = tetrahydrofuran C

Question 3

What is the correct structure for aniline?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV B

Question 4

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

Accepted Answer

A) I = Styrene; II = aniline; III = anisole 
B) I = Toluene; II = anisole; III = styrene 
C) I = Styrene; II = anisole; III = phenol 
D) I = Toluene; II = aniline; III = anisole 
A) I = Styrene; II = aniline; III = anisole 
B) I = Toluene; II = anisole; III = styrene 
C) I = Styrene; II = anisole; III = phenol 
D) I = Toluene; II = aniline; III = anisole

Question 5

What is the IUPAC name of the following compound?

Accepted Answer

A) o-nitroaniline 
B) m-nitroaniline 
C) p-nitroaniline 
D) 4-nitroanilsole 
A) o-nitroaniline 
B) m-nitroaniline 
C) p-nitroaniline 
D) 4-nitroanilsole

Question 6

What is the name of the following compound?

Accepted Answer

A) 2,6-Dimethylbenzene 
B) 5-Methyltoluene 
C) Anisole 
D) 1,3-Dimethylbenzene 
A) 2,6-Dimethylbenzene 
B) 5-Methyltoluene 
C) Anisole 
D) 1,3-Dimethylbenzene

Question 7

Which of the following ions is aromatic?

Accepted Answer

A) Only I and II 
B) Only II and III 
C) Only III and IV 
D) Only II and IV 
A) Only I and II 
B) Only II and III 
C) Only III and IV 
D) Only II and IV

Question 8

What is the hybridization of the indicated N atom in the following compound?

Accepted Answer

A) p 
B) sp 
C) sp2 
D) sp3 
A) p 
B) sp 
C) sp2 
D) sp3

Question 9

What is the correct structure for 1-bromo-2,4-dimethoxybenzene?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 10

What is the IUPAC name of the following compound?

Accepted Answer

A) 3,6-Dichloroaniline 
B) 2,5-Dichloroaniline 
C) 2,5-Dichloroaminobenzene 
D) 2,5-Dichloroanisole 
A) 3,6-Dichloroaniline 
B) 2,5-Dichloroaniline 
C) 2,5-Dichloroaminobenzene 
D) 2,5-Dichloroanisole

Question 11

What is the correct structure for anisole?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 12

Which of the following is not a criterion for antiaromaticity?

Accepted Answer

A) The molecule must be cyclic. 
B) The molecule must have (4n + 2)pi electrons. 
C) The molecule must be planar. 
D) The molecule must be completely conjugated. 
A) The molecule must be cyclic. 
B) The molecule must have (4n + 2)pi electrons. 
C) The molecule must be planar. 
D) The molecule must be completely conjugated.

Question 13

Which of the following compounds is not aromatic?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 14

What is the IUPAC name of the following compound?

Accepted Answer

A) o-nitrotoluene 
B) m-nitrotoluene 
C) p-nitrotoluene 
D) 3-nitroanisole 
A) o-nitrotoluene 
B) m-nitrotoluene 
C) p-nitrotoluene 
D) 3-nitroanisole

Question 15

How many different proton signals would the following compound show in its 1H NMR spectrum?

Accepted Answer

A) 1 
B) 3 
C) 5 
D) 6 
A) 1 
B) 3 
C) 5 
D) 6

Question 16

What is the name of the following compound?

Accepted Answer

A) Meta-bromophenol 
B) Para-hydroxybenzene 
C) 3-bromoanisole 
D) 6-methoxy-2-bromobenzene 
A) Meta-bromophenol 
B) Para-hydroxybenzene 
C) 3-bromoanisole 
D) 6-methoxy-2-bromobenzene

Question 17

Which of the following compounds is aromatic?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 18

In what type of orbital does the lone pair on the indicated N atom reside?

Accepted Answer

A) p 
B) sp 
C) sp2 
D) sp3 
A) p 
B) sp 
C) sp2 
D) sp3

Question 19

Which of the following statements about the structure of benzene is not true?

Accepted Answer

A) Benzene is planar. 
B) Benzene has three short double bonds alternating with three longer single bonds. 
C) The electrons in the pi bonds are delocalized around the ring. 
D) Benzene has six pi electrons. 
A) Benzene is planar. 
B) Benzene has three short double bonds alternating with three longer single bonds. 
C) The electrons in the pi bonds are delocalized around the ring. 
D) Benzene has six pi electrons.

Question 20

Where do the protons in benzene appear in the 1H NMR spectrum?

Accepted Answer

A) Around 1600 cm-1 
B) Around 120 ppm 
C) Around 0 ppm 
D) Around 7 ppm 
A) Around 1600 cm-1 
B) Around 120 ppm 
C) Around 0 ppm 
D) Around 7 ppm

Exam 15: Benzene and Aromatic Compounds

Which of the following compounds is not aromatic?

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

What is the correct structure for aniline?

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

What is the IUPAC name of the following compound?

What is the name of the following compound?

Which of the following ions is aromatic?

What is the hybridization of the indicated N atom in the following compound?

What is the correct structure for 1-bromo-2,4-dimethoxybenzene?

What is the IUPAC name of the following compound?

What is the correct structure for anisole?

Which of the following is not a criterion for antiaromaticity?

Which of the following compounds is not aromatic?

What is the IUPAC name of the following compound?

How many different proton signals would the following compound show in its 1H NMR spectrum?

What is the name of the following compound?

Which of the following compounds is aromatic?

In what type of orbital does the lone pair on the indicated N atom reside?

Which of the following statements about the structure of benzene is not true?

Where do the protons in benzene appear in the 1H NMR spectrum?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation, resonance, and Dienes

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives - Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Molecular Ion Peaks and Fragmentation Patterns

Analyzing Molecular Motion and Infrared Spectroscopy

Organic Spectroscopy Concepts

Filters

How many different proton signals would the following compound show in its ¹H NMR spectrum?

Where do the protons in benzene appear in the ¹H NMR spectrum?