Question on: JAMB Chemistry - 1991
MnO-4 + 8H+ + ne → Mn++ + 4H2O. Which is the value of n in the reaction above?
A
2
B
3
C
4
D
5
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Correct Option: D
MnO-4 + 8H+ + ne- → Mn++ + 4H2O
Since Mn has 7 electrons on one side and 2 electrons on the other side. The value of ne- is 5.
Since Mn has 7 electrons on one side and 2 electrons on the other side. The value of ne- is 5.
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