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Byju's Answer
Standard XII
Chemistry
SHE
Write cell re...
Question
Write cell representation for following cells
2
A
g
+
(
a
q
)
+
H
2
(
g
)
→
2
H
+
(
a
q
)
+
2
A
g
(
s
)
Open in App
Solution
2
A
g
+
+
H
2
(
g
)
→
2
H
+
(
a
q
)
+
2
A
g
(
s
)
c
e
l
l
i
s
–
–––––––
–
:
P
+
(
s
)
|
H
2
|
H
+
(
a
q
)
∥
A
g
+
(
a
q
)
|
A
g
(
s
)
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Similar questions
Q.
The standard e.m.f. of the cell involving the reaction,
2
A
g
+
(
a
q
)
+
H
2
(
g
)
→
2
A
g
(
s
)
+
2
H
+
(
a
q
)
,
is 0.80 V. The standard oxidation potential of Ag electrode is :
Q.
Which of the following represents the anode half-cell reaction for the following galvanic cell:
C
u
(
s
)
|
C
u
2
+
(
a
q
)
|
|
A
g
+
(
a
q
)
|
A
g
(
s
)
Q.
Calculate
Δ
r
G
for the reaction at
27
o
C
.
H
2
(
g
)
+
2
A
g
+
(
a
q
)
⇌
2
A
g
(
s
)
+
2
H
+
(
a
q
)
Given:
P
H
2
=
0.5
bar;
[
A
g
+
]
=
10
−
5
M
;
[
H
+
]
=
10
−
3
M
;
Δ
r
G
o
[
A
g
+
(
a
q
)
]
=
77.1
k
J
/
m
o
l
Q.
What is the relationship between the standard cell potentials
E
o
, for the following two galvanic cell reactions?
(I)
2
A
g
+
(
a
q
)
+
S
n
2
+
(
a
q
)
→
S
n
4
+
(
a
q
)
+
2
A
g
(
s
)
(II)
A
g
(
s
)
+
1
2
S
n
4
+
(
a
q
)
→
1
2
S
n
2
+
(
a
q
)
+
A
g
+
(
a
q
)
Q.
Consider the following cell reaction:
2
A
g
C
l
(
s
)
+
H
2
(
g
)
→
2
A
g
(
s
)
+
2
H
+
(
a
q
)
+
2
C
l
−
(
a
q
)
;
E
o
=
0.19
V
At
[
C
l
−
]
=
10
−
3
M
and
P
H
2
=
0.01
atm
, if the cell potential is 0.43
V
at
25
o
C
the
p
H
is:
(Take
2.303
R
×
298
F
=
0.06
)
.
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