ferrocyanide
/'ferou'saiənaid/
Definition
- Noun:
- A chemical compound: A ferrocyanide is a salt containing the complex anion [Fe(CN)₆]⁴⁻. It is typically produced by reacting a cyanide compound with iron(II) sulfate.
Usage Examples
- Noun:
- Potassium ferrocyanide is often used as an anti-caking agent in table salt.
- The laboratory synthesized a ferrocyanide to test its properties.
Advanced Usage
- In chemistry: Ferrocyanides are classified as coordination compounds and are notable for their low toxicity compared to simple cyanides, making them useful in various industrial applications.
- The stability of the ferrocyanide complex makes it suitable for use in pigments.
Variants and Related Words
- Ferricyanide (n): A related salt containing the [Fe(CN)₆]³⁻ anion.
- Ferricyanide is used in some photographic processes.
Synonyms
- Hexacyanoferrate(II): The systematic IUPAC name for a ferrocyanide anion or salt.
- Iron(II) hexacyanide: A descriptive synonym.
Notes on Meaning
- The term specifically refers to salts where iron is in the +2 oxidation state (ferrous). It is crucial not to confuse it with ferricyanide, where iron is in the +3 oxidation state (ferric).
Noun
-
salt of ferrocyanic acid usually obtained by a reaction of a cyanide with iron sulphate
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