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Question
Chemistry
Which one can differentiate between C2H5OH and CH3OH ?
Q. Which one can differentiate between
C
2
H
5
O
H
and
C
H
3
O
H
?
5870
208
Bihar CECE
Bihar CECE 2007
Alcohols Phenols and Ethers
Report Error
A
H
2
O
9%
B
N
a
2
C
O
3
+
I
2
57%
C
N
H
3
11%
D
H
Cl
22%
Solution:
C
H
3
O
H
and
C
2
H
5
O
H
can be differentiated by using
N
a
2
C
O
3
and
I
2
,
C
2
H
5
O
H
gives yellow precipitate of
C
H
I
3
whereas
C
H
3
O
H
does not react with it.
C
2
H
5
O
H
+
4
I
2
+
N
a
2
C
O
3
→
(yellow ppt.)
lodoform
C
H
I
3
+
5
N
a
I
+
H
COON
a
+
3
C
O
2
+
H
2
O