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Byju's Answer
Standard XII
Mathematics
Standard Formulae - 1
ntFor the dis...
Question
ntFor the disproportion of 2Cu+ into Cu2+ + Cu E value isn ntif E for Cu2+/Cu is 0.34n ntE for Cu2+/Cu+ is 0.15n
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Q.
Find the change in standard gibb's free energy
(
Δ
G
∘
)
for the following reaction.
2
C
u
+
→
C
u
+
C
u
2
+
(Given :
E
∘
C
u
+
/
C
u
=
0.52
V
,
E
∘
C
u
2
+
/
C
u
+
=
0.16
V
)
Q.
C
u
+
ion is not stable in aqueous solution because of disproportionation reaction.
E
∘
value for disproportionation of
C
u
+
(given
E
∘
C
u
2
/
C
u
=
0.34
V
)
Q.
E
value for the cell reaction is :
C
u
|
C
u
2
+
(
0.001
M
)
|
|
C
u
2
+
(
0.1
M
)
|
C
u
Q.
E
value for the cell reaction
C
u
|
C
u
2
+
(
0.001
M
)
|
|
C
u
2
+
(
0.1
m
)
|
C
u
Q.
Given:
C
u
2
+
+
e
−
→
C
u
+
;
E
∘
=
0.15
v
o
l
t
C
u
+
+
e
−
→
C
u
;
E
∘
=
0.5
v
o
l
t
Calculate potential for
C
u
2
+
+
2
e
−
→
C
u
.
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