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Byju's Answer
Standard XII
Chemistry
Derivation of Kp and Kc
For the react...
Question
For the reaction,
2
S
O
3
(
g
)
⇌
2
S
O
2
(
g
)
+
O
2
(
g
)
, the equilibrium constant
K
c
=
2.52
×
10
−
2
at
27
o
C
. Calculate
K
p
. (Given
R
=
0.082
l
i
t
r
e
a
t
m
d
e
g
−
1
m
o
l
−
1
)
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Solution
The given reaction is :-
2
S
O
3
(
g
)
⇌
2
S
O
2
(
g
)
+
O
2
(
g
)
We have,
K
P
=
K
C
(
R
T
)
△
n
;
T
=
27
0
C
=
27
+
273
=
300
K
here,
△
n
=
2
+
1
−
2
=
1
⇒
K
P
=
K
C
(
R
T
)
1
⇒
K
P
=
2.52
×
10
−
2
×
(
0.082
×
300
)
=
0.61992
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0
Similar questions
Q.
At
450
K
,
K
P
=
2.0
×
10
10
b
a
r
for the given reaction at equilibrium.
2
S
O
2
(
g
)
+
O
2
(
g
)
⇌
2
S
O
3
(
g
)
What is
K
c
, at this temperature?
Q.
At 450K,
K
p
=
2.0
×
10
10
/bar for the given reaction at equilibrium.
2
S
O
2
(
g
)
+
O
2
(
g
)
⇌
2
S
O
3
(
g
)
What is
K
c
at this temperature?
Q.
The equilibrium constant for the given reaction:
S
O
3
(
g
)
⇌
S
O
2
(
g
)
+
1
2
O
2
(
g
)
;
K
c
=
5
×
10
−
2
The value of
K
c
for the reaction will be:
2
S
O
2
(
g
)
+
O
2
(
g
)
⇌
2
S
O
3
(
g
)
,
Q.
The equilibrium constant for the given reaction:
S
O
3
(
g
)
⇌
S
O
2
(
g
)
+
1
2
O
2
(
g
)
;
K
c
=
4.9
×
10
−
2
m
o
l
1
/
2
l
i
t
r
e
−
1
/
2
.
What is the value of
K
c
for the reaction:
2
S
O
2
(
g
)
+
O
2
(
g
)
⇌
2
S
O
3
(
g
)
?
Q.
Determine
K
c
for
2
S
O
2
(
g
)
+
O
2
(
g
)
⇌
2
S
O
3
(
g
)
,
K
p
=
3.4
b
a
r
−
1
at
1000
o
C
:
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