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Tardigrade
Question
Chemistry
The compound that does not liberate CO2, on treatment with aqueous sodium bicarbonate solution, is
Q. The compound that does not liberate
C
O
2
, on treatment with aqueous sodium bicarbonate solution, is
2869
193
JEE Advanced
JEE Advanced 2013
Alcohols Phenols and Ethers
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A
benzoic acid
13%
B
benzenesulphonic acid
17%
C
salicylic acid
20%
D
carbolic acid (phenol)
49%
Solution:
PLAN
N
a
H
C
O
3
⇌
N
a
+
+
H
C
O
3
−
H
C
O
3
−
is decomposed by acid releasing
C
O
2
H
C
O
3
−
+
H
+
⟶
H
2
O
+
C
O
2
If acid is stronger than
H
C
O
3
−
then
C
O
2
is released. Phenol is less
acidic and thus does not liberate
C
O
2
with
N
a
H
C
O
3
.