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Standard X
Chemistry
Chemical Properties of Ethanol
When ethyl al...
Question
When ethyl alcohol is heated with conc.
H
2
S
O
4
, the product obtained is
?
A
C
H
3
C
O
O
C
2
H
5
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B
C
2
H
2
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C
C
2
H
6
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D
C
2
H
4
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Solution
The correct option is
A
C
2
H
2
When excess ethanol is heated with sulphuric acid, we get Diethyl ether.
C
2
H
5
−
O
H
(
e
x
c
e
s
s
)
c
o
n
c
.
H
2
S
O
4
−
−−−−−−
→
C
2
H
5
−
O
−
C
2
H
5
But when excess Sulphuric acid is used, it behaves like a dehydrating agent and we get Ethene.
C
2
H
5
−
O
H
c
o
n
c
.
H
2
S
O
4
(
e
x
c
e
s
s
)
−
−−−−−−−−−−−
→
C
2
H
4
Option B is the correct answer.
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