What does chloric mean?
Chloric is a technical adjective used almost exclusively in chemistry to describe compounds containing chlorine, most precisely those in which chlorine occupies its +5 oxidation state. Its principal role is in naming chloric acid (HClO₃), a strong, colorless acid and vigorous oxidizing agent whose salts are called chlorates. The word belongs to a carefully ordered naming system that chemists use to distinguish chlorine's several oxoacids: hypochlorous (+1), chlorous (+3), chloric (+5), and perchloric (+7). Because these names differ by only a prefix or suffix, precision matters greatly; confusing chloric with hydrochloric or perchloric can change both a compound's formula and its reactivity. Outside laboratories and textbooks, chloric has no general or figurative application — it is a term of art whose value lies entirely in the exactness it brings to chemical nomenclature.
adjectiveRelating to or containing chlorine, especially designating an oxyacid of chlorine in which the element is in its +5 oxidation state, as in chloric acid (HClO₃). In chemistry, the term specifically distinguishes this oxidation state from those of other chlorine oxyacids such as hypochlorous and perchloric acids.
- Of or relating to chlorine.
- (Specifically, in chemistry) designating the oxoacid HClO₃ or its salts (chlorates), in which chlorine has the +5 oxidation state.
"The chemist prepared a dilute solution of chloric acid to demonstrate its strong oxidizing properties."
"Concentrated chloric acid is a powerful oxidizing agent and must be handled with extreme care."
"Salts derived from chloric acid are known as chlorates."
Chemists name four different chlorine acids by prefixes alone — hypochlorous, chlorous, chloric, and perchloric — and only the suffix tells you how many oxygens are attached.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of chloric
Chloric derives from chlorine, the name Sir Humphry Davy coined in the early nineteenth century from Greek 'chlōros', meaning pale green or yellow-green, in reference to the element's distinctive gas color. The suffix '-ic' marks the higher of two common oxidation states in classical acid nomenclature. It shares its root with related chemical terms such as chlorate, chlorite, chloroform, and chlorophyll, all tracing back to the same Greek adjective for greenish yellow.
How chloric is actually used
Strictly technical and confined to chemistry; it appears almost exclusively in scientific literature, laboratory manuals, and nomenclature discussions. It carries no figurative or everyday use.
Easily confused with chloric
Hydrochloric acid (HCl) contains hydrogen and chloride ions without oxygen, whereas chloric acid (HClO₃) is an oxygen-containing oxoacid of chlorine.
Perchloric acid (HClO₄) has chlorine in the +7 oxidation state, one step more oxidized than in chloric acid (+5).
Hypochlorous acid (HClO) has chlorine in the +1 oxidation state, much lower than the +5 state found in chloric acid.