WAEC - Chemistry (2012 - No. 35)
The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is
+3
+2
-2
-3
Explicaţie
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
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