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Byju's Answer
Standard XII
Chemistry
Nernst Equation
Nernst equati...
Question
Nernst equation is :
E
=
E
o
−
R
T
n
F
l
n
Q
. If
Q
=
K
c
, then which one is not correct?
A
E
=
E
o
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B
R
T
n
F
l
n
Q
=
E
o
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C
E
=
z
e
r
o
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D
K
c
=
e
n
F
E
o
R
T
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Solution
The correct option is
A
E
=
E
o
According to equation,
E
=
E
o
−
R
T
n
F
l
n
Q
At equilibrium,
E
=
0
E
o
=
R
T
n
F
l
n
K
c
∴
K
c
=
e
n
F
E
o
R
T
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0
Similar questions
Q.
Based on
E
o
values given, state which statements are correct?
1
2
F
2
+
e
−
⟶
F
−
E
o
= 2.87 V
1
2
C
l
2
+
e
−
⟶
C
l
−
E
o
= 1.40 V
1
2
B
r
2
+
e
−
⟶
B
r
−
E
o
= 1.09 V
1
2
I
2
+
e
−
⟶
I
−
E
o
= 0.62 V
Q.
C
u
+
+
e
−
⟶
C
u
,
E
o
=
x
1
volt ;
C
u
2
+
+
2
e
−
⟶
C
u
,
E
o
=
x
2
volt, then for
C
u
+
+
e
−
⟶
C
u
+
,
E
o
(volt) will be :
Q.
On the basis of the following
E
o
values, the strongest oxidising agent is:
[
F
e
(
C
N
)
6
]
4
−
⟶
[
F
e
(
C
N
)
6
]
3
+
+
e
−
,
E
o
=
−
0.35
V
F
e
2
+
→
F
e
3
+
+
e
−
1
;
F
e
2
+
→
F
e
3
+
+
e
−
1
;
E
o
=
−
0.77
V
Q.
For the given data
A
+
B
⇌
C
+
D
;
E
o
=
a
v
o
l
t
;
K
c
=
K
1
2
A
+
2
B
⇌
2
C
+
2
D
;
E
o
=
b
v
o
l
t
;
K
c
=
K
2
Select the correct choices:
Q.
Ferrocyanide
→
Ferricyanide ion
+
e
−
E
o
=
−
0.35
V
Ferrous ion
→
Ferric ion
+
e
−
E
o
=
−
0.77
V
Which of the following is strongest oxidant?
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