Chloric Acid

chloric acid

[′klȯr·ik ′as·əd]

(inorganic chemistry)

HClO₃ A compound that exists only in solution and as chlorate salts; breaks down at 40°C.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Chloric Acid

 

HClO₃, a strong monobasic acid, in which chlorine is in the + 5 oxidation state. Chloric acid, which has not been obtained in pure form, is rather stable in cold aqueous solutions at concentrations below 30 percent. More concentrated solutions decompose: 8HClO₃ = 4HClO₄ + 3O₂ + 2Cl₂ + 2H₂O. Chloric acid is a strong oxidizing agent, and its oxidizing strength increases with increasing concentration and temperature. For example, filter paper ignites in a 40-percent solution of the acid. Chloric acid is obtained as a result of the decomposition of hypo-chlorous acid, in the electrolysis of chloride solutions, and, under laboratory conditions, in the reaction of barium chlorate with dilute sulfuric acid: Ba(ClO₃)₂ + H₂SO₄ = BaSO₄ + 2HClO₃.

Chlorate salts correspond to chloric acid; the most important are sodium chlorate, potassium chlorate, calcium chlorate, and magnesium chlorate.

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The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.