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Standard XII
Chemistry
Oxides and Oxoanions
When formic a...
Question
When formic acid is heated with concentrated
H
2
S
O
4
, the gas evolved is
:
A
only
C
O
2
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B
only
C
O
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C
a mixture of
C
O
and
C
O
2
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D
a mixture of
S
O
2
and
C
O
2
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Solution
The correct option is
B
only
C
O
When formic acid is heated with sulphuric acid, only
C
O
gas is evolved as it is not a redox reaction.
H
C
O
O
H
c
o
n
c
.
H
2
S
O
4
−
−−−−−−
→
C
O
+
H
2
O
Option B is correct.
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