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The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is

Chemistry
WAEC 2012

The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is

  • A. +3
  • B. +2
  • C. -2
  • D. -3
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Correct Answer: Option 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


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