Question 1

What is the structure for 4-amino-2-bromophenol?

Accepted Answer

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

Question 2

Which of the following compounds is most acidic?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  both I and II 
E)  both II and III 
A)  I 
B)  II 
C)  III 
D)  both I and II 
E)  both II and III

Question 3

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 4

What is the structure for styrene?

Accepted Answer

The answer of What is the structure for styrene?...

Question 5

Which one of the following compounds will undergo the fastest SN1 reaction? Explain your choice.

Accepted Answer

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

Question 6

What is the structure for p-aminobenzoic acid (PABA)?

Accepted Answer

The answer of What is the structure for p-aminobenzoic acid...

Question 7

Which one of the following compounds will undergo the fastest SN1 reaction? Explain your choice.

Accepted Answer

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

Question 8

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 9

What is the IUPAC name for the following compound?

Accepted Answer

2-ethyl-4-

Question 10

Identify the number of $\pi$ electrons present in an aromatic compound.

Accepted Answer

A)  4n + 2 
B)  2n + 2 
C)  4n 
D)  2n 
E)  3n 
A)  4n + 2 
B)  2n + 2 
C)  4n 
D)  2n 
E)  3n

Question 11

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Accepted Answer

nonaromatic
If the oxygen atom was sp<su

Question 12

Identify the structure that is an annulene.

Accepted Answer

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

Question 13

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Accepted Answer

nonaromatic
It is cyclic, but

Question 14

Which of the following describes the current view of the two Kekulé structures for benzene?

Accepted Answer

A)  they are both correct structures for benzene 
B)  the two structures are in equilibrium 
C)  the two structures adequately describe benzene 
D)  benzene is a resonance hybrid of the two structures 
E)  None of the above 
A)  they are both correct structures for benzene 
B)  the two structures are in equilibrium 
C)  the two structures adequately describe benzene 
D)  benzene is a resonance hybrid of the two structures 
E)  None of the above

Question 15

What is the IUPAC name for the following compound?

Accepted Answer

A)  4-butylphenol 
B)  1-sec-butylphenol 
C)  4-propylphenol 
D)  4-sec-butylphenol 
E)  1-isobutylphenol 
A)  4-butylphenol 
B)  1-sec-butylphenol 
C)  4-propylphenol 
D)  4-sec-butylphenol 
E)  1-isobutylphenol

Question 16

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Accepted Answer

aromatic
It is cycli

Question 17

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Accepted Answer

nonaromatic
If the nitrogen atom was sp<

Question 18

Which of the following annulenes is not aromatic?

Accepted Answer

A)  [6]-annulene 
B)  [14]-annulene 
C)  [16]-annulene 
D)  [18]-annulene 
E)  [22]-annulene 
A)  [6]-annulene 
B)  [14]-annulene 
C)  [16]-annulene 
D)  [18]-annulene 
E)  [22]-annulene

Question 19

The pKa of cyclopentadiene (I) and cycloheptatriene (II) is around 16 and 36 respectively. Explain the difference in the two pKa values.

Accepted Answer

The conjugate base of cyclopentadiene is

Question 20

What is the IUPAC name for the following compound?

Accepted Answer

A)  6-ethyl-3-nitrobenzoic acid 
B)  1-ethyl-4-nitrobenzoic acid 
C)  2-ethyl-5-nitrobenzoic acid 
D)  2-ethyl-5-nitrobenzaldehyde 
E)  4-nitro-3-carboxyethylbenzene 
A)  6-ethyl-3-nitrobenzoic acid 
B)  1-ethyl-4-nitrobenzoic acid 
C)  2-ethyl-5-nitrobenzoic acid 
D)  2-ethyl-5-nitrobenzaldehyde 
E)  4-nitro-3-carboxyethylbenzene

Exam 17: Aromatic Compounds

What is the structure for 4-amino-2-bromophenol?

Which of the following compounds is most acidic?

Predict the product for the following reaction.

What is the structure for styrene?

Which one of the following compounds will undergo the fastest SN1 reaction? Explain your choice.

What is the structure for p-aminobenzoic acid (PABA)?

Which one of the following compounds will undergo the fastest SN1 reaction? Explain your choice.

Predict the product for the following reaction.

What is the IUPAC name for the following compound?

Identify the number of π\piπ electrons present in an aromatic compound.

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Identify the structure that is an annulene.

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Which of the following describes the current view of the two Kekulé structures for benzene?

What is the IUPAC name for the following compound?

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Classify the following compound as aromatic, antiaromatic, or nonaromatic. Explain your choice.

Which of the following annulenes is not aromatic?

The pKa of cyclopentadiene (I) and cycloheptatriene (II) is around 16 and 36 respectively. Explain the difference in the two pKa values.

What is the IUPAC name for the following compound?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Which one of the following compounds will undergo the fastest S_N1 reaction? Explain your choice.

Which one of the following compounds will undergo the fastest S_N1 reaction? Explain your choice.

Identify the number of $\pi$ electrons present in an aromatic compound.

The pK_aof cyclopentadiene (I) and cycloheptatriene (II) is around 16 and 36 respectively. Explain the difference in the two pK_a values.