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Tardigrade
Question
Chemistry
Aniline is prepared in presence of Fe/HCl from
Q. Aniline is prepared in presence of
F
e
/
H
Cl
from
2040
170
UP CPMT
UP CPMT 2007
Report Error
A
benzene
B
nitrobenzene
C
dinitrobenzene
D
none of these
Solution:
Preparation of aniline from nitrobenzene
Mechanism :
(i)
3
F
e
+
6
H
Cl
→
3
F
e
C
l
2
+
6
H
(ii)
C
6
H
5
N
O
2
+
6
H
→
C
6
H
5
N
H
2
+
2
H
2
O
(iii)
F
e
C
l
2
+
2
H
2
O
→
F
e
(
O
H
)
2
+
2
H
Cl
(iv)
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
