 The metaperiodate ion
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 The orthoperiodate ion
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| Names | |
|---|---|
| Systematic IUPAC name
tetraoxoiodate(1−) hexaoxoiodate(5−) | |
| Identifiers | |
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3D model (JSmol)
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| ChemSpider | |
PubChem CID
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| UNII |
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| Properties | |
|---|---|
| IO4− or IO65- | |
| Conjugate acid | Periodic acid |
| Related compounds | |
Other anions
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Perchlorate Perbromate Permanganate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Periodate /pəˈraɪ.É™deɪt/ is an anion composed of iodine and oxygen. It is one of a number of oxyanions of iodine and is the highest in the series, with iodine existing in oxidation state +7. Unlike other perhalogenates, such as perchlorate, it can exist in two forms: metaperiodate IO−
4 and orthoperiodate IO5−
6. In this regard it is comparable to the tellurate ion from the adjacent group. It can combine with a number of counter ions to form periodates, which may also be regarded as the salts of periodic acid.
Periodates were discovered by Heinrich Gustav Magnus and C. F. Ammermüller; who first synthesised periodic acid in 1833.[1]
https://en.wikipedia.org/wiki/Periodate
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