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JEE Main Chemistry Class 11 Electrochemistry Part 2 Questions
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© examsnet.com
Question : 59
Total: 79
Match List - I with List - II.
List - I
List - II
(A)
Cd
(
s
)
+
2
Ni
(
OH
)
3
(
s
)
→
CdO
(
s
)
+
2
Ni
(
OH
)
2
(
s
)
+
H
2
O
(
l
)
(l) Primary battery
(B)
Z
n
(
H
g
)
+
H
g
O
(
s
)
→
Z
n
O
(
s
)
+
H
g
(
l
)
(II) Discharging of secondary battery
(C)
2
PbSO
4
(
s
)
+
2
H
2
O
(
l
)
→
Pb
(
s
)
+
PbO
2
(
s
)
+
2
H
2
SO
4
(
a
q
)
(III) Fuel cell
(D)
2
H
2
(
g
)
+
O
2
(
g
)
→
2
H
2
O
(
l
)
(IV) Charging of secondary battery
Choose the correct answer from the options given below:
[28-Jul-2022-Shift-1]
(
A
)
−
(
I
)
,
(
B
)
−
(
II
)
,
(
C
)
−
(
II
)
,
(
D
)
−
(
IV
)
(
A
)
−
(
IV
)
,
(
B
)
−
(
I
)
,
(
C
)
−
(
I
)
,
(
D
)
−
(
II
)
(
A
)
−
(
II
)
,
(
B
)
−
(
I
)
,
(
C
)
−
(
IV
)
,
(
D
)
−
(
III)
(
A
)
−
(
II)
,
(
B
)
−
(
I
)
,
(
C
)
−
(
II
)
,
(
D
)
−
(
IV
)
Validate
Solution:
(a)
Cd
(
s
)
+
2
Ni
(
OH
)
3
(
s
)
→
CdO
(
s
)
+
2
Ni
(
OH
)
2
(
s
)
+
H
2
O
(
l
)
Discharge of secondary Battery
(b)
Zn
(
Hg
)
+
HgO
(
s
)
→
ZnO
(
s
)
+
Hg
(
l
)
(Primary Battery Mercury cell)
(c)
2
PbSO
4
(
s
)
+
2
H
2
O
(
l
)
→
Pb
(
s
)
+
PbO
2
(
s
)
+
2
H
2
SO
4
(
aq
)
(Charging of secondary Battery)
(d)
2
H
2
(
g
)
+
O
2
(
g
)
→
2
H
2
O
(
l
)
(Fuel cell)
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