Question
Chemistry Question on Oxidation Number
The oxidation number of Fe in [Fe(CN)6]3− ion is
A
2
B
3
C
-2
D
-3
Answer
3
Explanation
Solution
Let O.N. of Fe in [Fe(CN)6]3− is x O.N. of C (N−1 = -1) = x + 6(-1) = -3 or x= +3
The oxidation number of Fe in [Fe(CN)6]3− ion is
2
3
-2
-3
3
Let O.N. of Fe in [Fe(CN)6]3− is x O.N. of C (N−1 = -1) = x + 6(-1) = -3 or x= +3