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Test Index
JEE Main Chemistry Class 11 Equilibrium Questions Part 2 Questions
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© examsnet.com
Question : 94
Total: 100
Two solids dissociate as follows
A
(
s
)
→
B
(
g
)
+
C
(
g
)
;
K
P
1
=
x
a
t
m
2
D
(
s
)
→
C
(
g
)
+
E
(
g
)
;
K
P
2
=
y
a
t
m
2
The total pressure when both the solids dissociate simultaneously is:
[Jan. 12, 2019 (I)]
√
x
+
y
atm
2
(
√
x
+
y
)
atm
(
x
+
y
)
a
t
m
x
2
+
y
2
atm
Validate
Solution:
A
(
s
)
⟶
B
(
g
)
+
C
(
g
)
P
l
P
1
+
P
2
K
P
1
=
P
B
×
P
C
P
1
(
P
1
+
P
2
)
=
x
K
P
2
=
P
C
×
P
E
(
P
1
+
P
2
)
P
2
=
y
...(ii)
Adding (i) and (ii)
∴
P
1
(
P
1
+
P
2
)
+
P
2
(
P
1
+
P
2
)
=
x
+
y
P
1
2
+
P
1
P
2
+
P
2
P
1
+
P
2
2
=
x
+
y
P
1
2
+
P
2
2
+
2
P
1
P
2
=
x
+
y
⇒
&
(
P
1
+
P
2
)
2
=
x
+
y
⇒
P
1
+
P
2
=
√
x
+
y
∴
Total pressure
(
P
T
)
=
P
C
+
P
B
+
P
E
(
P
1
+
P
2
)
+
P
1
+
P
2
=
2
(
P
1
+
P
2
)
P
T
=
2
(
√
x
+
y
)
© examsnet.com
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