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JEEMAIN-2017
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Q)
Sodium salt of an organic acid ‘X’ produces effervescence with conc.
H
2
S
O
4
. ‘X’ reacts with the acidified aqueous
C
a
C
l
2
solution to give a white precipitate which decolourises acidic solution of
K
M
n
O
4
‘X’ is :
(
1
)
C
H
3
C
O
O
N
a
(
2
)
N
a
2
C
2
O
4
(
3
)
C
6
H
5
C
O
O
N
a
(
4
)
H
C
O
O
N
a
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