Question 1

Provide the product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) A) and D)
G) C) and D)

Question 2

Which one of the following compounds is antiaromatic?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of theseF) A) and B)
G) B) and E)

Question 3

Give the common name for o-xylene.

Accepted Answer

A)   hydroxybenzene
B)   aminobenzene
C)   1,2-dimethylbenzene
D)   ethylbenzene
E)   1,3-dimethylbenzeneF) A) and C)
G) C) and D)

Question 4

Provide the structures of the intermediates and final product in the following reaction sequence.

Accepted Answer

The answer of Provide the structures of the intermediates and...

Question 5

Using a Frost circle, draw the molecular orbital energy diagram for the cyclopropenyl anion and predict if it is aromatic.

Accepted Answer

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Question 6

Using a Frost circle, draw the molecular orbital energy diagram for the cyclopentadienyl anion and predict if it is aromatic.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00...

Question 7

What is the main difference between an aromatic and antiaromatic compound?

Accepted Answer

A)   Aromatic compounds must be cyclic and planar, but not antiaromatic compounds
B)   Aromatic compounds must be monocyclic.
C)   Antiaromatic compounds must have a conjugated system with a p orbital at every vertex
D)   Aromatic compounds must satisfy Hückel's rule.
E)   none of theseF) B) and C)
G) A) and E)

Question 8

According to molecular orbital theory, how many  π\piπ -bonding molecular orbitals does benzene have?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5 F) D) and E)
G) A) and B) C

Question 9

Predict the product for the following reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) C) and E)
G) C) and D)

Question 10

Provide the reagent(s)  necessary to convert toluene to benzoic acid.

Accepted Answer

A)   Na2Cr2O7/H2SO4/H2O
B)   1. NBS,  Δ\DeltaΔ  2.NaOH
C)   1. LiAlH4 2. H3O+
D)   H2, Pd
E)   1. CO2, 2. H3O+ F) B) and E)
G) A) and B)

Question 11

A compound with molecular formula C9H12O displays the following 1H NMR and 13C NMR spectra. Propose a structure for this compound.

Accepted Answer

Question 12

Both pyridine and pyrrole are nitrogen containing aromatic heterocyclic compounds. When treated with HCl, only pyridine forms the hydrochloride salt, whereas pyrrole is unreactive. Provide an explanation for this observed reactivity.

Accepted Answer

In pyridine, the nonbonding electron pai...

Question 13

Which one of the following compounds is most acidic?

Accepted Answer

A)   I
B)   II
C)   III
D)   I & III
E)   II & IIIF) B) and C)
G) B) and E)

Question 14

Which one of the following compounds is most acidic?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of theseF) A) and D)
G) C) and E)

Question 15

Which one of the following compounds is aromatic?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) A) and C)
F) All of the above

Question 16

Identify the functional group in styrene.

Accepted Answer

A)   ether
B)   alkene
C)   carboxylic acid
D)   aldehyde
E)   ketoneF) A) and B)
G) A) and E)

Question 17

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. NBS/

2....

Question 18

Which one of the following compounds is aromatic?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) C) and D)
F) B) and D)

Question 19

What is the common name for the following compound?

Accepted Answer

m-xylene

Question 20

Using a Frost circle, draw the molecular orbital energy diagram for the tropylium cation and predict if it is aromatic.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00...

Exam 17: Aromatic Compounds

Provide the product for the following reaction.

Correct AnswerverifiedShow Answer

Which one of the following compounds is antiaromatic?

Correct AnswerverifiedShow Answer

Give the common name for o-xylene.

Correct AnswerverifiedShow Answer

Provide the structures of the intermediates and final product in the following reaction sequence.

Correct AnswerverifiedShow Answer

Using a Frost circle, draw the molecular orbital energy diagram for the cyclopropenyl anion and predict if it is aromatic.

Correct Answerverified_TB4454_00...View AnswerShow Answer

Using a Frost circle, draw the molecular orbital energy diagram for the cyclopentadienyl anion and predict if it is aromatic.

Correct Answerverified_TB4454_00...View AnswerShow Answer

What is the main difference between an aromatic and antiaromatic compound?

Correct AnswerverifiedShow Answer

According to molecular orbital theory, how many π\piπ -bonding molecular orbitals does benzene have?

Correct AnswerverifiedC

Predict the product for the following reaction.

Correct AnswerverifiedShow Answer

Provide the reagent(s) necessary to convert toluene to benzoic acid.

Correct AnswerverifiedShow Answer

A compound with molecular formula C9H12O displays the following 1H NMR and 13C NMR spectra. Propose a structure for this compound.

Correct Answerverified11ea894b_ad1e_5546_bba7_71a98916e37c_TB4454_00_TB4454_00

Both pyridine and pyrrole are nitrogen containing aromatic heterocyclic compounds. When treated with HCl, only pyridine forms the hydrochloride salt, whereas pyrrole is unreactive. Provide an explanation for this observed reactivity.

Correct AnswerverifiedIn pyridine, the nonbonding electron pai...View AnswerShow Answer

Which one of the following compounds is most acidic?

Correct AnswerverifiedShow Answer

Which one of the following compounds is most acidic?

Correct AnswerverifiedShow Answer

Which one of the following compounds is aromatic?

Correct AnswerverifiedShow Answer

Identify the functional group in styrene.

Correct AnswerverifiedShow Answer

Provide the reagents necessary to carry out the following conversion.

Correct Answerverified1. NBS/2....View AnswerShow Answer

Which one of the following compounds is aromatic?

Correct AnswerverifiedShow Answer

What is the common name for the following compound?

Correct Answerverifiedm-xylene

Using a Frost circle, draw the molecular orbital energy diagram for the tropylium cation and predict if it is aromatic.

Correct Answerverified_TB4454_00...View AnswerShow Answer

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According to molecular orbital theory, how many $\pi$ -bonding molecular orbitals does benzene have?

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C

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A compound with molecular formula C₉H₁₂O displays the following ¹H NMR and ¹³C NMR spectra. Propose a structure for this compound.

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11ea894b_ad1e_5546_bba7_71a98916e37c_TB4454_00_TB4454_00

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In pyridine, the nonbonding electron pai...
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1. NBS/
2....
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m-xylene

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_TB4454_00...
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