Aromatic Flashcards
1
Q
What has no delocalised e-
a. poly(chloroethane)
b. benzene
c. graphite
d. zinc
A
A
2
Q
What is N3- called
A
nitride ion
3
Q
What is NO2- called
A
nitrite ion
4
Q
What is NO3- called?
A
Nitrate ion
5
Q
What is NO2+ ion called
A
nitronium ion
6
Q
What is NO+?
A
nitrosonium ion
7
Q
Why is nitration an important step in synthesis?
A
manufacture explosives
8
Q
What are the conditions for the nitration of benzene?
A
conc. H2SO4 & conc. HNO3
9
Q
Formation of the elctrophile in nitration of benzene
A
HNO3+H2SO4 —> NO2+ + 2HSO4- + H3O+
10
Q
What is acylation?
A
Acylation means substituting an acyl group into something - in this case, into a benzene ring.
11
Q
The formation of the electrophile for Friedel-Crafts acylation
A
CH3COCl + AlCl3 —> CH3CO+ + AlCl4-
