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Byju's Answer
Standard XII
Chemistry
SHE
Given i Cu ...
Question
Given (i)
C
u
2
+
+
2
e
−
→
C
u
,
E
o
=
+
0.337
V
(ii)
C
u
2
+
+
e
−
→
C
u
+
E
o
=
+
0.153
V
Electrode potential,
E
0
for the reaction will be:
C
u
+
+
e
−
→
C
u
A
0.38
V
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B
0.52
V
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C
0.90
V
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D
0.30
V
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Solution
The correct option is
D
0.52
V
$
G
∘
=
−
n
F
E
∘
Δ
G
∘
c
e
l
l
=
G
o
C
u
2
+
/
C
u
−
G
o
C
u
2
+
/
C
u
+
−
n
F
E
∘
c
e
l
l
=
−
n
F
E
o
C
u
2
+
/
C
u
−
(
−
n
F
E
o
C
u
2
+
/
C
u
+
)
E
o
c
e
l
l
=
2
×
E
o
C
u
2
+
/
C
u
−
E
o
C
u
2
+
/
C
u
+
=
2
×
0.337
−
0.153
=
0.521
Therefore B is the correct option.
Suggest Corrections
0
Similar questions
Q.
1.
C
u
2
+
+
2
e
−
⟶
C
u
,
E
0
=
0.337
V
2.
C
u
2
+
+
e
−
⟶
C
u
+
,
E
0
=
0.153
V
Electrode potential,
E
0
for the reaction
C
u
+
+
e
−
⟶
C
u
Q.
Given :
(i)
C
u
2
+
+
2
e
−
→
C
u
,
E
∘
=
0.337
V
(ii)
C
u
2
+
+
e
−
→
C
u
+
,
E
∘
=
0.153
V
Elctrode potential,
E
∘
for the the reaction,
C
u
+
+
e
−
→
C
u
,
will be
Q.
Given,
C
u
2
+
+
2
e
−
→
C
u
;
E
o
=
0.337
V
C
u
2
+
+
e
−
→
C
u
+
;
E
o
=
−
0.153
V
E
o
value for the reaction,
C
u
+
+
e
→
C
u
will be:
Q.
E
o
values for the half cell reactions are given:
C
u
2
+
+
e
−
→
C
u
+
;
E
o
=
0.15
V
C
u
2
+
+
2
e
−
→
C
u
;
E
o
=
0.34
V
What will be the
E
o
of the half-cell:
C
u
+
+
e
−
→
C
u
?
Q.
Given:
(i)
C
u
2
+
+
2
e
−
→
C
u
,
E
∘
=
0.337
V
(ii)
C
u
2
+
+
e
−
→
C
u
+
,
E
∘
=
0.153
V
Electrode potential,
E
∘
for the reaction,
C
u
+
+
e
−
→
C
u
, will be
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