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Byju's Answer
Standard XII
Chemistry
Characteristics of Equilibrium Constant
If Kp for t...
Question
If
K
p
for the reaction
N
2
O
4
⇌
2
N
O
2
is
0.66
, then what is the equilibrium pressure of
N
2
O
4
?
(Total pressure at equilibrium is
0.5
a
t
m
)
A
0.168
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B
0.322
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C
0.1
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D
0.5
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Solution
The correct option is
A
0.168
N
2
O
4
⇌
2
N
O
2
K
P
=
0.66
t
=
0
P
0
0
Given total pressure
0.5
atm
t
=
t
e
q
P
0
(
1
−
α
)
2
P
0
α
P
0
(
1
+
α
)
=
0.5
K
P
=
4
P
0
2
α
2
P
0
(
1
−
α
)
=
0.66
4
P
0
α
2
1
−
α
=
0.66
2
α
2
1
−
α
2
=
0.66
P
0
(
3
/
2
)
=
0.5
3
α
2
=
1
−
α
2
P
0
=
1
/
3
4
α
2
=
1
⇒
α
=
1
/
2
So,
N
2
O
4
Eq'b pressure
⇒
1
3
×
1
2
⇒
≈
0.168
Suggest Corrections
0
Similar questions
Q.
If
K
p
for the reaction
N
2
O
4
⇌
2
N
O
2
is 0.66 then what is the equilibrium pressure of
N
2
O
4
?
[Total pressure at equilibrium is 0.5 atm.]
Q.
If
K
p
for the reaction
N
2
O
4
⇌
2
N
O
2
is
0.66
then what is the equilibrium pressure of
N
2
O
3
(Total pressure at equilibrium is
0.5
a
t
m
)
:
Q.
For
N
2
O
4
⇌
2
N
O
2
,
K
p
=
X
when initial pressure of
N
2
O
4
is 2 atm. If the initial pressure of
N
2
O
4
at same
T
is
6
a
t
m
,
K
p
is:
Q.
The equilibrium constant
K
P
for the reaction
N
2
O
4
(
g
)
⇌
2
N
O
2
(g) is
4.5
.
What would be the average molar mass (in g⁄mol) of an equilibrium mixture of
N
2
O
4
and
N
O
2
formed by the dissociation of pure
N
2
O
4
at a total pressure of 2 atm?
Q.
The equilibrium constant
K
p
for the reaction
N
2
O
4
(
g
)
⇌
2
N
O
2
(
g
)
is
4.5
. What would be the average molar mass (in g/mol) of an equilibrium mixture of
N
2
O
4
and
N
O
2
formed by the dissociation of pure
N
2
O
4
at a total pressure of
2
atm?
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