1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
SHE
The potential...
Question
The potential of the cell containing two hydrogen electrodes as represented below, is:
P
t
,
H
2
(
g
)
|
H
+
(
10
−
6
M
)
|
|
H
+
(
10
−
4
M
)
|
H
2
(
g
)
,
P
t
at
298
K
A
−
0.118
V
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
−
0.0591
V
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
0.118
V
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
0.0591
V
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
C
0.118
V
At cathode:
H
+
c
+
e
−
⟶
1
/
2
H
2
E
o
=
0
V
At anode:
1
/
2
H
2
⟶
H
+
a
+
e
−
E
o
=
0
V
_____________________
Cell reaction
H
+
c
⟶
H
+
a
E
o
c
e
l
l
=
0
For concentration
E
o
c
e
l
l
is
0
, as both the compartment have same half cell.
Using Nernst Equation
[
H
+
]
a
=
concentration of
H
+
at anode;
[
H
+
]
c
=
concentration of
H
+
at cathode
⇒
E
c
e
l
l
=
E
o
c
e
l
l
−
0.0591
1
log
[
H
+
]
a
[
H
+
]
c
⇒
E
c
e
l
l
=
−
0.0591
log
[
10
−
6
]
[
10
−
4
]
⇒
E
c
e
l
l
=
−
0.0591
log
10
−
2
⇒
E
c
e
l
l
=
2
×
0.0591
=
0.1182
V
Suggest Corrections
0
Similar questions
Q.
What is the potential of the cell containing two hydrogen electrodes as represented below?
P
t
;
1
/
2
H
2
(
g
)
|
H
+
(
10
−
8
M
)
|
|
H
+
(
0.001
M
)
|
1
/
2
H
2
(
g
)
P
t
1 atm 1 atm
Q.
Standard hydrogen electrode is represented as
P
t
(
s
)
,
H
+
(
a
q
)
|
H
2
(
g
)
.
Q.
What is the potential of the cell containing two hydrogen electrodes as represented below ?
p
t
;
1
2
H
2
(
g
)
|
H
2
O
|
|
H
⊕
(
0.001
M
)
|
1
/
2
H
2
(
g
)
P
t
Q.
The cell
P
t
,
H
2
(
g
)
(
1
atm
)
/
H
+
,
p
H
=
x
|
|
Normal calomel electrode has emf of
0.67
V
at
25
∘
C
. The oxidation potential of calomel electrode on H scale is
−
0.28
V
, then
p
H
of solution will be
(Given :
2.303
R
T
F
=
0.0591
V
)
Q.
In the cell
P
t
(
s
)
,
H
2
(
g
)
|
1
b
a
r
H
C
l
(
a
q
)
|
A
g
(
s
)
|
P
t
(
s
)
the cell potential is
0.92
when
10
−
6
molal
H
C
l
solution is used. The standard electrode potential of
(
A
g
C
l
/
A
g
,
C
l
−
)
electrode is:
[Given:
2.303
R
T
F
=
0.06
V
at
298
K
]
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Electrode Potential and emf
CHEMISTRY
Watch in App
Explore more
SHE
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app