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Byju's Answer
Standard XII
Chemistry
General Mechanism of Electrophilic Aromatic Substitution
Ca C 2 A B CI...
Question
C
a
C
2
H
2
O
−
−
→
A
500
o
C
−
−−
→
C
u
B
A
l
C
l
3
−
−−−
→
C
H
3
C
l
C
In the above reaction sequence, identify B and C respectively.
A
Benzene and Acetylene
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B
Toluene and Benzene
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C
Benzene and Toluene
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D
Toluene and Acetylene
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Solution
The correct option is
C
Benzene and Toluene
The reaction sequence is:
C
a
C
2
H
2
O
−
−
→
3
C
2
H
2
500
o
C
−
−−
→
C
u
C
6
H
6
A
l
C
l
3
−
−−−
→
C
H
3
C
l
C
6
H
5
−
C
H
3
Option C is correct.
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Similar questions
Q.
C
H
|
|
|
C
H
2
C
H
3
C
O
O
H
−
−−−−−−−
→
H
g
2
+
A
→
B
+
C
In the above sequence of reactions,
B
and
C
, respectively, are:
Q.
In the following sequence of reactions, identify the compounds (A), (B), (C) and (D):
N
a
2
C
O
3
S
O
2
−
−
→
(
A
)
N
a
2
C
O
3
−
−−−−
→
(
B
)
S
→
(
C
)
A
g
N
O
3
−
−−−
→
(
D
)
Q.
Identify the compounds
′
A
′
,
′
B
′
and
′
C
′
in the following sequence of reactions and rewrite the complete equations.
′
A
′
N
a
O
H
/
C
a
O
−
−−−−−−
→
Δ
′
B
′
B
r
2
/
A
l
B
r
3
−
−−−−−
→
Δ
′
C
′
N
a
/
d
r
y
e
t
h
e
r
−
−−−−−−−
→
Δ
n
−
B
u
t
a
n
e
Q.
C
2
H
5
C
l
M
o
i
s
t
−
−−
→
A
g
2
O
(
A
)
360
o
C
−
−−
→
A
l
2
O
3
(
B
)
S
2
C
l
2
−
−−
→
(
C
)
In the above sequence of reaction, identify (C)
Q.
C
2
H
5
C
l
m
o
i
s
t
A
g
2
O
−
−−−−−−
→
A
360
o
C
−
−−
→
A
l
2
O
3
B
S
2
C
l
2
−
−−
→
C
In the above sequence of reactions identify
C
.
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