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Question
Chemistry
Which one of the following responds to Tollens test?
Q. Which one of the following responds to Tollens test?
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Rajasthan PMT
Rajasthan PMT 2003
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A
C
H
3
COC
H
3
B
C
H
3
C
H
O
C
H
COO
H
D
C
2
H
5
O
C
2
H
5
Solution:
Aldehydes responds to Tollen's test.
R
−
C
H
O
+
2
[
(
A
g
(
N
H
3
)
2
]
+
+
3
O
H
−
⟶
RCO
O
−
+
Silver mirror
2
A
g
+
4
N
H
3
+
2
H
2
O