ferrocyanide

/'ferou'saiənaid/

Thân thiện

A student adds ferrocyanide solution to a test tube in the chemistry lab.

Definition

1. 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).

Học thuật

Noun

1. salt of ferrocyanic acid usually obtained by a reaction of a cyanide with iron sulphate