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Byju's Answer
Standard XII
Chemistry
Equilibrium Constant and Standard Free Energy Change
Which of the ...
Question
Which of the following equilibrium remains unaffected by a change in pressure (or volume)?
A
2
N
O
C
l
(
g
)
⇌
2
N
O
(
s
)
+
C
l
2
(
g
)
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B
H
2
(
g
)
+
C
O
2
(
g
)
⇌
H
2
O
(
g
)
+
C
O
(
g
)
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C
3
P
b
S
(
s
)
+
3
O
2
(
g
)
⇌
2
P
b
O
(
s
)
+
2
S
O
2
(
g
)
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D
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
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Solution
The correct option is
B
H
2
(
g
)
+
C
O
2
(
g
)
⇌
H
2
O
(
g
)
+
C
O
(
g
)
Equilibrium remain unaffected by change in pressure when
Δ
n
=
0
for the reaction.
(a)
2
N
O
C
l
(
g
)
⇌
2
N
O
(
s
)
+
C
l
2
(
g
)
Δ
n
=
1
−
2
=
−
1
(b)
H
2
(
g
)
+
C
O
2
(
g
)
⇌
H
2
O
(
g
)
+
C
O
(
g
)
Δ
n
=
1
+
1
−
1
−
1
=
0
(c)
3
P
b
S
(
s
)
+
3
O
2
(
g
)
⇌
2
P
b
O
(
s
)
+
2
S
O
2
(
g
)
Δ
n
=
2
−
3
=
−
1
(d)
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
Δ
n
=
1
+
1
−
1
=
1
Suggest Corrections
0
Similar questions
Q.
The reactions
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
and
C
O
C
l
2
(
g
)
⇌
C
O
(
g
)
+
C
l
2
(
g
)
are simultaneously in equilibrium at constant volume. A few moles of
C
O
(
g
)
are introduced into the vessel. After some time, the new equilibrium concentration of
Q.
Two systems,
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
and
C
O
C
l
2
(
g
)
⇌
C
O
(
g
)
+
C
l
2
(
g
)
are simultaneously in equilibrium in a vessel at constant volume. If some
C
O
(
g
)
is introduced in the vessel at constant volume, then at new equilibrium, the concentration of:
Q.
Two systems,
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
and
C
O
C
l
2
(
g
)
⇌
C
O
(
g
)
+
C
l
2
(
g
)
are simultaneously in equilibrium in a vessel at constant volume. If some
C
O
is introduced into the vessel then at the new equilibrium, the concentration of :
Q.
Following two equilibrium is simultaneously established in a container:
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
and
C
O
(
g
)
+
C
l
2
(
g
)
⇌
C
O
C
l
2
(
g
)
If some Ni(s) is introduced in the container forming
N
i
(
C
O
)
4
(g), then at new equilibrium:
Q.
The reactions
P
C
l
5
(
g
)
⇌
P
C
l
3
(
g
)
+
C
l
2
(
g
)
a
n
d
C
O
C
l
2
(
g
)
⇌
C
O
(
g
)
+
C
l
2
(
g
)
are simultaneously in equilibrium at constant volume. A few moles of
C
o
(
g
)
are introduced into the vessel. After some time, the new equilibrium concentration of:
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