1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Chemistry
Extraction of Aluminium
what is nerns...
Question
what is nernst equation for zinc-mercuric oxide cell?
Open in App
Solution
T
h
e
o
v
e
r
a
l
l
r
e
a
c
t
i
o
n
o
f
Z
i
n
c
-
m
e
r
c
u
r
y
o
x
i
d
e
i
s
Z
n
+
H
g
O
+
H
2
O
→
Z
n
(
O
H
)
2
+
H
g
N
e
r
n
s
t
e
q
u
a
t
i
o
n
i
s
E
=
E
0
-
0
.
0591
n
log
[
a
n
o
d
i
c
s
o
l
u
t
i
o
n
c
o
n
c
e
n
t
r
a
t
i
o
n
]
[
c
a
t
h
o
d
i
c
s
o
l
u
t
i
o
n
c
o
n
c
e
n
t
r
a
t
i
o
n
]
=
E
0
-
0
.
0591
2
l
o
g
[
Z
n
2
+
]
[
H
g
2
+
]
Suggest Corrections
0
Similar questions
Q.
Give equations for the following conversions:
(i) Sodium to sodium hydroxide using water.
(ii) Steam to hydrogen using burning magnesium.
(iii) Dilute sulphuric acid to hydrogen using zinc.
(iv) Mercuric oxide to mercury.
(v) Silver oxide to silver.
(vi) Copper hydroxide to copper oxide.
(vii) Calcium hydroxide to calcium oxide.
(viii) Lead carbonate to lead.
(ix) Potassium nitrate to oxygen.
(x) Copper nitrate to nitrogen dioxide.
(xi) Mercuric nitrate to mercury.
(xii) Silver nitrate to silver.
Q.
For a cell, Nernst equation can be written as: