previous
try again
check
1. Determine the oxidation number of iron in the iron oxide (Fe
2
O
3
). Type in the correct answer Solution: Step I: The sum of oxidation number in Fe
2
O
3
= Let the oxidation number of Fe be x.
Oxidation number O =
Step II: 2(x) + 3(
) = 0
2x - 6 = 0
2x =
x =