JAMB - Chemistry (1991 - No. 24)
MnO-4 + 8H+ + ne → Mn++ + 4H2O. Which is the value of n in the reaction above?
2
3
4
5
Spiegazione
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.