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Byju's Answer
Standard X
Chemistry
Classification of Hydrocarbons
Identify B in...
Question
Identify B in following reaction.
C
H
2
=
C
H
2
+
H
C
l
a
n
h
y
d
r
o
u
s
A
l
C
l
3
−
−−−−−−−−−
→
A
2
H
−
−−−−−
→
Z
n
−
C
u
i
n
C
2
H
5
O
H
B
+
H
C
l
A
C
3
H
7
C
l
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B
C
2
H
6
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C
C
2
H
5
C
l
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D
C
2
H
5
O
H
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Solution
The correct option is
C
C
2
H
6
By first reacion, alkyl halide forms which is then reduced to alkane.
Reaction is:
C
H
2
=
C
H
2
+
H
C
l
A
l
C
l
3
−
−−
→
C
H
3
−
C
H
2
C
l
(
A
)
2
H
,
Z
n
−
C
u
+
C
2
H
5
O
H
−
−−−−−−−−−−−−−
→
C
2
H
6
(
B
)
+
H
C
l
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Similar questions
Q.
Identify 'A' and 'B' in the following reaction and rewrite the complete reaction.
C
H
3
−
C
H
2
−
B
r
+
A
g
C
N
Δ
→
A
N
a
C
2
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5
O
H
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.
Explain Hoffmann bromamide degradation reaction.
Q.
Match the column
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,
B
and
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suitably.
Reactabts
(
A
)
Products
(
B
)
Name of the reaction
(
C
)
C
H
3
−
C
H
3
+
C
l
2
C
O
2
+
H
2
O
Addition reaction
C
2
H
6
+
O
2
C
H
2
=
C
H
2
Thermal cracking
n
C
H
2
=
C
H
2
C
H
2
=
C
H
2
+
C
H
4
Substitution reactions
C
H
3
−
C
H
2
−
C
H
3
C
H
3
−
C
H
2
C
l
+
H
C
l
Polymerisation
C
H
≡
C
H
+
H
2
[
−
C
H
2
−
C
H
2
−
]
n
Combustion
Q.
Ethyl chloride to Ethene conversions can be carried out by
C
2
H
5
C
l
+
K
O
H
(
a
l
c
o
h
o
l
i
c
s
o
l
n
.
)
→
C
H
2
=
C
H
2
+
H
C
l
.
Q.
Identify and write
A
and
B
in the following reactions
C
H
3
−
C
H
2
−
C
H
2
−
O
H
95
p
e
r
c
e
n
t
H
2
S
O
4
−
−−−−−−−−−−−−−
→
453
K
A
R
a
n
e
y
N
i
−
−−−−−−
→
B
Q.
Identify A and B respectively in the following reaction
B
r
−
C
H
2
−
C
H
2
−
B
r
E
x
c
e
s
s
A
g
O
A
c
−
−−−−−−−
→
A
H
y
d
r
o
l
y
s
i
s
−
−−−−−
→
B
+
2
A
c
O
H
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