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Byju's Answer
Standard XII
Chemistry
Gibb's Energy and Nernst Equation
. Ag|. AgCl|....
Question
A
g
|
A
g
C
l
|
C
l
−
(
C
2
)
∥
C
l
−
(
C
1
)
|
A
g
C
l
|
A
g
for this cell
Δ
G
is negative if:
A
C
1
=
C
2
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B
C
1
>
C
2
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C
C
2
>
C
1
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D
Both (1 ) and (3)
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Solution
The correct option is
D
C
2
>
C
1
Given cell is electrolyte concentration cell
E
c
e
l
l
=
R
T
F
l
n
[
A
g
+
]
R
H
S
[
A
g
+
]
L
H
S
where
[
A
g
+
]
=
K
s
p
[
C
l
−
]
. For spontaneous chemical change conc. of
A
g
+
of cathodic compartment must be greater than anodic compartment.
Hence option (C) is correct.
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Similar questions
Q.
A
g
|
A
g
C
l
|
C
l
−
(
C
2
)
|
|
C
l
−
(
C
1
)
|
A
g
C
l
|
A
g
for this cell
Δ
G
is negative if:
Q.
A
g
|
A
g
C
l
|
C
l
−
(
C
2
)
|
|
C
l
−
(
C
1
)
|
A
g
C
l
|
A
g
for this cell
Δ
G
is negative if:
Q.
Given:
Pt (s) |
C
l
−
(
C
1
) |
C
l
2
(g)(
P
1
atm) ||
C
l
2
(g)(
P
1
atm)|
C
l
−
(
C
2
)| Pt (s)
Identify in which of the following condition working of cell takes place: