AskDefine | Define chlorate

Dictionary Definition

chlorate n : any salt of chloric acid

User Contributed Dictionary

English

Noun

  1. any salt of chloric acid; chlorates are powerful oxidizing agents

Related terms

Extensive Definition

The chlorate anion has the formula ClO3−. In this case, the chlorine atom is in the +5 oxidation state. "Chlorate" can also refer to chemical compounds containing this anion; chlorates are the salts of chloric acid. As predicted by VSEPR, chlorate anions have trigonal pyrimidal structures.
Chlorates are powerful oxidizers and should be kept away from organics or easily oxidized materials. Chlorates were once widely used in pyrotechnics, though their use has fallen due to their instability. Most pyrotechnic applications which used chlorates in the past now use perchlorates instead.
Examples of chlorates include:

Preparation

Metal chlorates can be prepared by adding chlorine to hot metal hydroxides, for example, KClO3:
3Cl2 + 6KOH → 5KCl + KClO3 + 3H2O
The industrial scale synthesis for sodium chlorate starts from sodium chloride.
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