Tardigrade
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Tardigrade
Question
Chemistry
The reaction: C2H5OH + SOCl2 xrightarrow textPyridine C2H5Cl + SO2 + HCl is known as
Q. The reaction:
C
2
H
5
O
H
+
SOC
l
2
Pyridine
C
2
H
5
Cl
+
S
O
2
+
H
Cl
is known as
4585
189
AIIMS
AIIMS 2002
Haloalkanes and Haloarenes
Report Error
A
Kharasch effect
12%
B
Williamson's synthesis
13%
C
Darzen's procedure
66%
D
Hunsdiecker reaction
9%
Solution:
Alkyl halides can be prepared by treating alcohol with
SOC
l
2
.
C
H
3
C
H
2
O
H
+
SOC
l
2
→
C
H
3
C
H
2
Cl
+
S
O
2
+
H
Cl
This reaction is known as Darzen's procedure.
Note :
SOB
r
2
and
SO
I
2
are not used in this reaction because
SOB
r
2
is less stable and
SO
I
2
does not exist.