In the Complex [Fe(CN)₆]^4-

question 91

Multiple Choice

In the complex [Fe(CN) ₆]^4-,

• A) iron is a Lewis acid and cyanide is a Lewis base.
• B) Cyanide is a Lewis acid.
• C) iron has an oxidation number of +3.
• D) Cyanide has an oxidation number of -2.

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