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if a zn2 zn electrode is diluted 100 times then th
Question:
If a
Z
n
2
+
/
Z
n
electrode is diluted
100
times, then the emf will show:
MHT CET
Updated On:
Jul 12, 2024
(A) An increase of
59
m
V
(B) A decrease of
59
m
V
(C) An increase of
29.5
m
V
(D) A decrease of
29.5
m
V
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Verified By Collegedunia
The Correct Option is
B
Solution and Explanation
Explanation:
We know,
E
c
e
l
l
=
0.059
2
log
1
C
where,
C
=
100
times
E
cell
=
−
0.059
2
log
1
100
(
∵
log
1
100
=
−
2
)
=
−
0.059
2
×
−
2
=
0.059
V
=
59
m
V
Thus, if the
Z
n
2
+
/
Z
n
electrode is diluted to
100
times than the emf is decrease of
59
m
V
.Hence, the correct option is (B).
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