This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Aromatic Hydrocarbons - 5
1.
Benzene is more stable than the 1,3,5 cyclohexatriene by
a) 145.9KJ/m Ω
b) 150.5KJ/m Ω
c) 178.5KJ/m Ω
d) 119.8 KJ/m Ω
2.
When cyclohexane and its derivatives are dehydrogenated in the presence of catalyst they give
a) Aliphatic compounds
b) Heteroaylic compound
c) Aromatic compound
d) None of these
3.
Hydrolysis of benzene sulphonic acid with superheated steam or by boiling with dil.HCl gives
a) Toluene
b) Chlorobenzene
c) Xylene
d) Benzene
4.
The benzene ring in oxidized to maleic anhydride when strongly heated with
a) V2O5/450
o
C
b) Ald3/150
o
C
c) Ni/200
d) Sun light
5.
When nitrobenzene is treated with chlorine in the presence of FeCl
3
the following product is obtained
a) p-Nitrichlorobenzene
b) o-Nitrochlorobenzene
c) o,p-Nitordichlorobenzene
d) m-Nitrochlorobenzene
6.
-COOH, CHO & -RCO, when attached with benzene ring as substitutent, behave as
a) p-directing groups
b) m-directing groups
c) o,p directing groups
d) o- directing groups
7.
C
6
H
12
+ Pt/250C
o
a) Benzene
b) Toluene
c) Phenol
d) Ethyl benzene
8.
CH
3
(CH
2
)5CH
3
+Cr
2
O
3
+Al
2
O
3
+SiO
2
/500
o
C
a) Ethyl benzene
b) Toluene
c) Phenol
d) Benzene
This is more feedback!
This is the feedback!
