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Question
Chemistry
Aniline is prepared in presence of Fe/HCl from
Q. Aniline is prepared in presence of
F
e
/
H
Cl
from
2031
204
Bihar CECE
Bihar CECE 2008
Report Error
A
benzene
B
nitrobenzene
C
dinitrobenzene
D
None of these
Solution:
Aniline is prepared by the reduction of nitrobenzene in acidic medium.
Mechanism
3
F
e
+
6
H
Cl
⟶
3
F
e
C
l
2
+
6
H
C
6
H
5
N
O
2
+
6
H
⟶
C
6
H
5
N
H
2
+
2
H
2
O
F
e
C
l
2
+
2
H
2
O
⟶
F
e
(
O
H
)
2
+
2
H
Cl
So,
C
6
H
5
N
O
2
+
2
F
e
(
O
H
)
2
+
4
H
2
O
⟶
C
6
H
5
N
H
2
+
F
e
(
O
H
)
3
