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Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
Which one of the following is the electrophile in the reaction shown below?
a)
benzene
b)
NO3¯
c)
NO2 +
d)
H2SO4
2.
what is preferential attack on naphthalene structure?
a)
1
b)
2
c)
3
d)
4
3.
Which of the following groups (two answer) are ortho/para directors?
a)
NO2
b)
-OCH3
c)
-CO2CH3
d)
-CH3
4.
Which isomer of dichlorobenzene gives a single mononitration product?
a)
ortho
b)
meta
c)
para
d)
none of them
5.
Arrange the following compounds in order of increasing reaction rate with HNO3/H2SO4.
a)
I < II < III
b)
II < III < I
c)
III < II < I
6.
nitration of naphthalene has a reaction rate which is (a) than nitration rate of benzene.
7.
Which one of the following substituents is deactivating and ortho-para directing in electrophilic aromatic substitution reactions?
a)
-Cl
b)
-N(CH3)2
c)
-CO2H
d)
CH3
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