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Byju's Answer
Standard XII
Chemistry
Kolbe Electrolysis for Alkenes
CH3-CNABCD. T...
Question
C
H
3
−
C
N
d
i
l
.
H
C
l
−
−−−
→
A
L
i
A
l
H
4
−
−−−
→
B
P
C
l
5
−
−−
→
C
A
l
c
.
K
O
H
−
−−−−−
→
D
.
The product
D
in the above sequence of reactions is:
A
acetaldehyde
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B
ethyne
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C
ethene
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D
acetyl chloride
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Solution
The correct option is
C
ethene
The product
D
in the above sequence of reactions is ethene
C
H
2
=
C
H
2
C
H
3
C
N
d
i
l
H
C
l
→
C
H
3
C
O
O
H
L
i
A
l
H
4
→
C
H
3
C
H
2
O
H
P
C
l
5
→
C
H
3
C
H
2
C
l
a
l
c
o
.
K
O
H
→
C
H
2
=
C
H
2
The hydrolysis of acetonitrile with dil
H
C
l
gives acetic acid.
Reduction with lithium aluminium hydride gives ethyl alcohol.
Treatment with phosphorous pentachloride gives ethyl chloride.
Dehydrohalogenation with alc KOH gives ethene.
Option C is correct.
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Similar questions
Q.
Identify product D in the following reaction sequence :
C
H
3
−
C
H
3
|
C
|
−
C
H
3
C
H
2
C
H
2
O
H
K
2
C
r
2
O
7
;
H
2
S
O
4
−
−−−−−−−−−
→
H
2
O
h
e
a
t
A
S
O
C
l
2
−
−−−
→
B
(
C
H
3
)
2
N
H
−
−−−−−−
→
(
2
m
o
l
e
)
C
1.
L
i
A
l
H
4
d
i
e
t
h
y
l
e
t
h
e
r
−
−−−−−−−−−−−−
→
2.
H
2
O
D
Q.
The final product,
D
in the above sequence of reactions is:
Q.
Identify product D in the following reaction sequence.
C
H
3
−
C
H
3
|
C
|
C
H
3
−
C
H
2
C
H
2
O
H
K
2
C
r
2
O
7
;
H
2
S
O
4
→
H
2
O
,
h
e
a
t
A
S
O
C
l
2
→
B
(
C
H
3
)
2
N
H
→
2
m
o
l
e
C
1.
L
i
A
l
H
4
d
i
e
t
h
y
l
e
t
h
e
r
→
2.
H
2
O
D
Q.
C
H
3
−
C
H
3
|
C
H
−
C
H
3
(
P
)
B
r
2
−
−
→
h
v
X
(
m
a
j
o
r
)
L
i
A
I
H
4
−
−−−−
→
Y
(
m
a
j
o
r
)
Which of the following is true for the above reaction sequence?
Q.
In the following sequence of reactions
C
H
3
−
B
r
K
C
N
→
A
H
3
O
+
→
B
L
i
A
I
H
4
−
−−−−
→
e
t
h
e
r
C
,
the end product (C) is:
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