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Byju's Answer
Standard XII
Chemistry
Oxidation of Alkynes
Acetylene rea...
Question
A
c
e
t
y
l
e
n
e
r
e
a
c
t
s
w
i
t
h
42
%
H
2
S
O
4
c
o
n
t
a
i
n
i
n
g
1
%
H
g
S
O
4
t
o
g
i
v
e
:
A
C
2
H
5
HSO
4
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B
CH
3
CHO
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C
HCHO
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D
CH
2
CH
2
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Solution
The correct option is
B
CH
3
CHO
H
C
≡
C
H
+
H
2
O
H
2
S
O
4
−
−−−−
→
H
g
S
O
4
[
C
H
2
=
C
H
−
O
H
]
(
V
i
n
y
l
a
l
c
o
h
o
l
)
t
a
u
t
o
m
e
r
i
z
e
s
⇋
C
H
3
−
C
H
O
(
a
c
e
t
a
l
d
e
h
y
d
e
)
Suggest Corrections
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Q.
A
c
e
t
y
l
e
n
e
r
e
a
c
t
s
w
i
t
h
42
%
H
2
S
O
4
c
o
n
t
a
i
n
i
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g
1
%
H
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S
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:
Q.
Acetylene on treatment with dil..
H
2
S
O
4
having
H
g
S
O
4
gives:
Q.
The number of pi bonds in the product formed by passing acetylene through dil.
H
2
S
O
4
containing
H
g
S
O
4
is :
Q.
Reaction of acetylene and propyne with
H
g
S
O
4
in presence of
H
2
S
O
4
produces respectively.
Q.
The intermediate compound formed when acetylene is hydrated in presence of dil.
H
2
S
O
4
and
H
g
S
O
4
is:
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