Иодноватистая кислота

Иодноватистая кислота
Общие
Хим. формула HIO
Классификация
Номер CAS 14332-21-9
PubChem 123340
ChemSpider 109942
ChEBI 29231
OI
InChI=1S/HIO/c1-2/h2H
Приводятся данные для стандартных условий (25 ℃, 100 кПа), если не указано иное.

Иодноватистая кислота HIO — существует только в очень разбавленных растворах.

Образуется по реакции иода с водой, причём реакция обратима, а равновесие сильно сдвинуто влево:

Она диссоциирует и как кислота, и как основание:

Свойства

Иодноватистая кислота неустойчива и разлагается на иодноватую кислоту и свободный иод:

Соли

Соли иодноватистой кислоты называют гипоиодитами.

Литература

  • Некрасов Б. В. Основы общей химии. — 3-е изд. — М.: Химия, 1973. — Т. 2. — 656 с.

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