ferric
/'ferik/
Definition
Adjective 1. Of, relating to, or containing iron, especially in its trivalent (Fe³⁺) state: In chemistry, "ferric" specifically describes compounds or ions where iron has a valence of +3. It is the higher oxidation state compared to ferrous (Fe²⁺).
Usage
The term "ferric" is primarily used in scientific, industrial, and technical contexts, particularly in chemistry, metallurgy, and biology, to specify the form or compound of iron involved.
Examples
- Adjective:
- The reddish-brown color of the soil is due to the presence of ferric oxide.
- Ferric chloride is commonly used as a coagulant in water treatment plants.
- The patient had a high level of ferric iron in his blood test results.
Advanced Usage
- "Ferric state": Refers specifically to the condition of iron having a +3 oxidation state.
- In this reaction, the iron is oxidized from the ferrous to the ferric state.
- "Ferric ion" (Fe³⁺): The ionic form of iron with a charge of +3.
- The ferric ion is less soluble in water than the ferrous ion.
Variants and Related Words
- Ferrous (adj): Of, relating to, or containing iron, especially in its divalent (Fe²⁺) state. (e.g., ).
- Ferricyanide (n): A salt containing the anion [Fe(CN)₆]³⁻.
- Ferrite (n): A ceramic compound consisting of mixed metal oxides with iron(III) oxide (Fe₂O₃) as a principal component.
Synonyms
- Iron(III): The systematic chemical name for the Fe³⁺ state. (e.g., is synonymous with ).
- Ferric iron: A more descriptive synonym.
Antonyms
- Ferrous: Pertaining to iron in its +2 oxidation state.
Adjective
-
of or relating to or containing iron
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