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Tardigrade
Question
Chemistry
Which one of the following substances react with nitrous acid to give a hydroxy compound?
Q. Which one of the following substances react with nitrous acid to give a hydroxy compound?
1833
200
Amines
Report Error
A
C
2
H
5
N
H
2
12%
B
(
C
2
H
5
)
2
N
H
25%
C
C
6
H
5
N
H
2
12%
D
Both(a) and (c)
50%
Solution:
To distinguish
1
∘
,
2
∘
and
3
∘
amine we use
H
N
O
2
reaction.
(
1
∘
)
R
−
N
H
2
+
H
N
O
2
→
R
−
O
H
+
N
2
+
H
2
O
(
2
∘
)
R
2
N
H
+
H
N
O
2
→
nitrosoamines
R
2
NNO
+
H
2
O
(
3
∘
)
R
3
N
+
H
N
O
2
→
trialkyl ammonium nitrite
R
3
N
H
+
ON
O
−