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Byju's Answer
Standard XII
Chemistry
Characteristics of Equilibrium Constant
Given the rea...
Question
Given the reaction:
A
(
s
)
+
B
(
g
)
⇌
2
C
(
g
)
+
D
(
g
)
. One mole of
A
and one mole of
B
are placed in a 1.0 litre vessel. After equilibrium has been established.0.4 mole of
C
is present in the vessel. Calculate
K
e
for the reaction.
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Solution
A
(
g
)
+
B
(
g
)
⇌
2
C
(
g
)
+
D
(
g
)
t
=
0
1
1
0
0
t
=
t
e
q
1
−
α
1
−
α
α
α
Given
2
α
=
0.4
α
=
0.2
0.8
0.8
0.4
0.2
moles = concentration
(
∵
volume 1 lit)
K
C
=
(
0.4
)
2
×
0.2
(
0.8
)
2
⇒
0.2
4
⇒
0.05
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Similar questions
Q.
Given the reaction:
A
(
g
)
+
B
(
g
)
⇌
2
C
(
g
)
+
D
(
g
)
One mole of
A
and one mole of
B
are placed in a
1.0
litre vessel. After equilibrium has been established
0.4
mole of
C
is present in the vessel. Calculate
K
for the reaction.
Q.
Given the reaction:
A
(
g
)
+
B
(
g
)
⇌
2
C
(
g
)
+
D
(
g
)
One mole of
A
and one mole of
B
are placed in a
1.0
litre vessel. After equilibrium has been established,
0.4
mole of
C
is present in the vessel. Calculate
K
c
for the reaction.
Q.
For the reaction
2
A
(
g
)
+
B
(
g
)
⇌
C
(
g
)
+
D
(
g
)
;
K
c
=
10
12
. If the initial moles of
A
,
B
,
C
,
D
are
2
,
1
,
7
,
3
moles respectively in a one litre vessel. What is the equilibrium concentration of
A
?
Q.
1 mole of '
A
', 1.5 mole of '
B
' and
2
mole of '
C
' are taken in a vessel of volume one litre. At equilibrium concentration of '
C
' is
0.5
mole/L. Equilibrium constant for the reaction,
A
(
g
)
+
B
(
g
)
⇌
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(
g
)
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For the reaction
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(
g
)
+
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B
(
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at
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