cobaltic

A chemist examines a cobaltic compound in a laboratory.

Definition

1. Adjective:
   • Relating to cobalt: "cobaltic" describes something that contains or pertains to cobalt, especially in its higher valence state (typically +3).
   • Chemical context: In chemistry, "cobaltic" specifically refers to compounds where cobalt has an oxidation state of +3, as opposed to cobaltous compounds (cobalt in the +2 state).

Usage Examples

• (An oxide of cobalt in the +3 oxidation state.)
• (Salts containing cobalt with a +3 charge.)
• (A colour or tint characteristic of cobalt compounds.)

Advanced Usage

• "Cobaltic acid": an obsolete term for a hypothetical acid derived from cobalt.

  • Cobaltic acid was once proposed but never isolated. (A theoretical acid containing cobalt in the +3 state.)

• "Cobaltic hydroxide": a compound, Co(OH)₃, used in some industrial processes.

  • Cobaltic hydroxide is a dark brown solid. (A specific hydroxide of cobalt with cobalt in the +3 oxidation state.)

Variants and Related Words

• Cobaltous (adj): relating to cobalt in its +2 oxidation state.
  • Cobaltous chloride is pink in colour. (A compound where cobalt has a +2 charge.)
• Cobalt (n): a chemical element (Co), a hard, lustrous, silver-grey metal.
  • Cobalt is used in batteries and alloys. (The base element from which "cobaltic" is derived.)

Synonyms

• Cobalt-bearing: containing cobalt (more general term).
• Cobalt(III): a chemical notation indicating the +3 oxidation state of cobalt (often used in systematic nomenclature).

Related Idioms

• There are no common idioms using "cobaltic" due to its highly technical nature. In scientific writing, it is used strictly as a descriptor.

Phrasal Verbs

• There are no phrasal verbs associated with "cobaltic" as it is a technical adjective.