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Question
Chemistry
Which of the following method gives better yield of p-nitrophenol?
Q. Which of the following method gives better yield of p-nitrophenol?
2338
216
BITSAT
BITSAT 2016
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A
Phenol
d
i
l
.
H
N
O
3
2
0
∘
C
p
-Nitrophenol
32%
B
Phenol
(
i
)
N
a
N
O
2
+
H
2
S
O
4
,
7
−
8
∘
C
(
ii
)
H
N
O
3
p
-Nitrophenol
53%
C
Phenol
(
i
)
N
a
O
H
(
ii
)
C
o
n
c
.
H
N
O
3
16%
D
None of the three.
0%
Solution:
Thus here, oxidation of phenol is minimised by forming
p
-nitrosophenol.
