perchloric
Definition
Adjective (Chemistry): Relating to or derived from perchloric acid, specifically referring to the highest oxidation state of chlorine in which the chlorine atom has a valence of +7.
Usage Examples
- (A solution containing perchloric acid, a strong oxidizing agent.)
- (Substances containing the perchlorate ion (ClO₄⁻) derived from perchloric acid.)
Advanced Usage
Perchloric acid (HClO₄): A colorless, highly corrosive, and strongly oxidizing liquid used in analytical chemistry and as a reagent in organic synthesis.
- Dilute perchloric acid is employed in the digestion of samples for metal analysis. (Used to break down organic matter safely.)
Perchlorate salts: Ionic compounds containing the ClO₄⁻ anion, such as ammonium perchlorate, which is a common oxidizer in solid rocket fuel.
- Ammonium perchlorate is a key ingredient in many solid propellants. (Provides oxygen for combustion.)
Variants and Related Words
Perchlorate (noun): A salt or ester of perchloric acid, containing the anion ClO₄⁻.
- The perchlorate contamination in the groundwater was traced to a nearby industrial site. (A chemical pollutant.)
Perchloric acid (noun): The parent acid with the formula HClO₄.
- Perchloric acid is a superacid when anhydrous. (An extremely strong acid.)
Synonyms
- Hyperchloric (obsolete): An older term for the highest oxidation state of chlorine.
- Chloric(VII): A systematic IUPAC notation indicating chlorine in the +7 oxidation state.
Related Idioms
- There are no common idioms involving "perchloric," as it is a specialized chemical term. However, in laboratory contexts, one might say:
- "Handle with perchloric care": A humorous or cautionary phrase meaning to treat something with extreme caution, referencing the hazardous nature of perchloric acid.
- That fragile equipment needs perchloric care — don't drop it! (Handle it very carefully.)