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Question
Chemistry
How many coulombs of electricity are required for the reduction of 1 mole of MnO4 to Mn2+?
Q. How many coulombs of electricity are required for the reduction of
1
m
o
l
e
of
M
n
O
4
to
M
n
2
+
?
1417
184
Electrochemistry
Report Error
A
96500
C
B
1.93
×
1
0
5
C
C
4.83
×
1
0
5
C
D
5.62
×
1
0
5
C
Solution:
M
n
O
4
−
+
5
e
−
⇒
M
n
2
+
It is obvious from above equation that reduction of
1
mole of
M
n
O
4
−
to
M
n
2
+
requires
5
Faraday i.e.,
5
×
96500
≈
4.83
×
1
0
5
C