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Chapter 8: Aromaticity - Reactions of Benzene and Substituted Benzenes
Exercises
Practice Exercise 1
Practice Exercise 1
This activity contains 7 questions.
In which orbital are the lone pair electrons on the nitrogen atom of pyridine?
p
sp
2
s
sp
sp
3
Which of the following compounds is
not
aromatic?
phenanthrene
naphthalene
cyclooctatetraene
benzene
How many pi electrons does pyridine have?
2
4
6
8
10
Which of the following is an aromatic compound?
cyclopentadienyl cation
cycloheptatrienyl anion
cyclopentadiene
cyclopentadienyl anion
cyclobutadiene
What is the hybridization of the carbon atom that is attached to the electrophile in the carbocation intermediate that is formed in an electrophilic aromatic substitution reaction?
p
sp
2
sp
sp
3
s
Which of the following is
not
required for a compound to be aromatic?
The pi cloud must contain an odd number of pairs of pi electrons.
It must be flat.
The pi cloud must contain an even number of pairs of pi electrons.
It must be cyclic.
It must have an uninterrupted cloud of delocalized pi electrons.
Which of the following is a correct statement?
C
6
H
5
-CH
3
is toluene, and C
6
H
5
-OCH
3
is aniline.
C
6
H
5
-CH
3
is toluene, and C
6
H
5
-OCH
3
is xylene.
C
6
H
5
-CH
3
is toluene, and C
6
H
5
-OCH
3
is cresol.
C
6
H
5
-CH
3
is methylbenzene, and C
6
H
5
-OCH
3
is aniline.
C
6
H
5
-CH
3
is toluene, and C
6
H
5
-OCH
3
is anisole.
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