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Byju's Answer
Standard XII
Chemistry
Characteristics of Equilibrium Constant
Find the valu...
Question
Find the value of Kc if Kp for the given reaction is
1.8
×
10
−
2
at
500
K
2
N
O
C
l
⇌
2
N
O
+
C
l
2
.
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Solution
2
N
O
C
l
(
g
)
⇌
2
N
O
+
C
l
2
Δ
n
g
= 3-2 = 1
K
p
=
K
c
(
R
T
)
Δ
n
=
K
c
=
K
p
R
T
=
1.8
×
10
−
2
0.0831
×
500
=
4.33
×
10
−
4
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0
Similar questions
Q.
Find out the value of
K
c
for the given equilibria (i) and (ii) respectively:
(
i
)
2
N
O
C
l
(
g
)
⇌
2
N
O
(
g
)
+
C
l
2
(
g
)
;
K
P
=
1.8
×
10
−
2
a
t
500
K
(
i
i
)
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
;
K
p
=
167
a
t
1073
K
(
R
=
0.0831
b
a
r
L
m
o
l
−
1
K
−
1
)
Q.
In which of the following gaseous phase reactions, the value of
K
p
, will be equal to
K
c
:
Q.
Find out the value of
K
C
for each of the following equilibrium respectively from the value of
K
P
.
(i)
2
N
O
C
l
(
g
)
⇌
2
N
O
(
g
)
+
C
l
2
(
g
)
;
K
P
=
1.8
×
10
−
2
at
500
K
(ii)
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
;
K
P
=
167
at
1073
K
Q.
The rate of reaction is given by the rate equation rate
=
k
[
N
O
]
2
[
C
l
2
]
. The value the rate of constant can be increased by:
2
N
O
+
C
l
2
→
2
N
O
C
l
Q.
The rate of the reaction,
2
N
O
+
C
l
2
→
2
N
O
C
l
is given by the rate equation,
Rate
=
k
[
N
O
]
2
[
C
l
2
]
. The value of the rate constant can be increased by
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