Question 1

Why are nitrophenols more acidic than phenols?

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Question 2

Assuming that the sulfur atom is sp²-hybridized, there are _____ π-electrons in the sulfathiazole ring.

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Question 3

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

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Question 4

Identify the most acidic compound.

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Question 5

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

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-If named as...

Question 6

Consider the following general structure.  Positions 1,4 and 2,6 and 3,5 are termed para, ortho, and meta, respectively.

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Question 7

The ______ substituent is affected during the oxidation of 2-bromo-4-nitrotoulene using chromic acid.

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The methyl group in 2-bromo-4-nitrotoluene is affected during the oxidation process using chromic acid, converting it into a carboxylic acid group.

Question 8

Which of the following compound is nonaromatic?

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Question 9

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

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Question 10

Consider the following structure. 
-This structure contains ____ π electrons.

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-This structure contains...

Question 11

Provide a brief explanation of why the cyclopentadienyl anion (below) is aromatic. Your answer should identify the hybridization of each carbon atom and account for which electrons are in the pi system.

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Question 12

Identify the major product of the following reaction. ​

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Question 13

Provide a brief explanation of why furan (below) is aromatic. Your answer should identify the hybridization of the oxygen atom and account for which electrons are in the pi system.

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Question 14

Using the Hückel criteria, the compound would be ______________.

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Question 15

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

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Question 16

Aspirin, also known as acetylsalicylic acid, is used to treat fever and inflammation. It is prepared from an unknown compound "A" by the process of esterification, using acetic anhydride. Identify compound "A".

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Question 17

What is the chemical name of the following compound? ​

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Quiz 21: Benzene and the Concept of Aromaticity