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Byju's Answer
Standard XII
Chemistry
Halogen Exchange Reactions
Give the bala...
Question
Give t
he balance equation for the following laboratory preparation :
Ethane from sodium propionate
A
C
H
3
C
H
2
C
O
O
N
a
+
N
a
O
H
→
C
2
H
6
+
N
a
2
C
O
3
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B
C
H
3
C
H
2
C
O
O
N
a
+
2
N
a
O
H
→
C
2
H
4
+
N
a
2
C
O
3
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C
C
H
3
C
H
2
C
O
O
N
a
+
N
a
O
H
→
C
2
H
4
+
N
a
2
C
O
3
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D
C
H
3
C
H
2
C
O
O
N
a
+
2
N
a
O
H
→
2
C
H
4
+
N
a
2
C
O
3
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Solution
The correct option is
A
C
H
3
C
H
2
C
O
O
N
a
+
N
a
O
H
→
C
2
H
6
+
N
a
2
C
O
3
Reaction:
C
H
3
C
H
2
C
O
O
N
a
+
N
a
O
H
→
C
2
H
6
+
N
a
2
C
O
3
Suggest Corrections
0
Similar questions
Q.
The reaction used to prepare
N
a
O
H
from
C
a
(
O
H
)
2
in earlier days is:
N
a
2
C
O
3
+
C
a
(
O
H
)
2
→
2
N
a
O
H
+
C
a
C
O
3
↓
If true enter 1, else enter 0.
Q.
6
g urea sample on heating with
N
a
O
H
gives
0.224
L
N
H
3
at STP.
N
H
2
C
O
N
H
2
+
2
N
a
O
H
⟶
2
N
H
3
+
N
a
2
C
O
3
Thus, percentage yield of
N
H
3
is
:
Q.
C
O
2
+
2
N
a
O
H
→
H
2
O
+
X
:
Identify X?
Q.
A mixture of
N
a
H
C
O
3
and
N
a
2
C
O
3
weighed .0235 g. The dissolved mixture was reacted with excess of
8
a
(
O
H
)
2
to form
2.1028
g
B
a
C
O
3
, by the following reactions:
N
a
2
C
O
3
+
B
a
(
O
H
)
2
→
B
a
C
O
3
+
2
N
a
O
H
N
a
H
C
O
3
+
B
a
(
O
H
)
2
→
B
a
C
O
3
+
N
a
O
H
+
H
2
O
What was the percentage of
N
a
H
C
O
3
in the original mixture ?
Q.
The equation for the preparation of
C
H
4
from anhydrous sodium ethanoate [sodium acetate] is:
C
H
3
C
O
O
N
a
+
N
a
O
H
C
a
O
/
Δ
−
−−−
→
C
H
4
+
N
a
2
C
O
3
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