The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is
-
+3
- +2
- -2
- -3
The correct answer is: A
Explanation
Let the oxidation number of Fe in the compound [Fe(CN)\(_6\)]\(^{3-}\) be x.
x + 6(-1) = -3
x - 6 = -3;
x = -3 + 6
x = +3