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Byju's Answer
Standard XII
Chemistry
Sandmeyer Reaction
In order to c...
Question
In order to convert aniline into chlorobenzene, the reagents needed are:
A
C
u
C
l
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B
N
a
N
O
2
/
H
C
l
and
C
u
C
l
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C
C
l
2
/
C
C
l
4
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D
C
l
2
/
A
l
C
l
3
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Solution
The correct option is
B
N
a
N
O
2
/
H
C
l
and
C
u
C
l
P
h
N
H
2
N
a
N
O
2
/
H
C
l
−
−−−−−−−
→
P
h
−
N
=
N
−
C
l
C
u
C
l
/
H
C
l
−
−−−−−
→
P
h
−
C
l
Diazotization, followed by Sandmeyer reaction. Option (B) is correct.
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Similar questions
Q.
Assertion :
C
l
2
or
B
r
2
changes
K
I
into
I
2
(violet in
C
C
l
4
layer),
C
l
2
changes
K
B
r
into
B
r
2
(orange-yellow in
C
C
l
4
layer). Thus,
C
l
2
would change mixture of
K
I
a
n
d
K
B
r
into violet layer in
C
C
l
4
. Reason: Oxidising power is in order
I
2
<
B
r
2
<
C
l
2
<
F
2
.
Q.
A
l
2
O
3
can be converted to Anhydrous
A
l
C
l
3
by heating
Q.
How would you convert?
Aniline to chlorobenzene
Q.
Assertion :Chlorobenzene on treatment with
C
l
2
/
A
l
C
l
3
gives mainly p-dichlorobenzene. Reason: Chlorine activate the ring towards an electrophile at ortho and para positions.
Q.
How will you convert the following ?
Chlorobenzene to Aniline.
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