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Iodate

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Formula
  
IO3−

Molar mass
  
174.903 g/mol

Iodate httpsuploadwikimediaorgwikipediacommonsthu

Ammonium periodate nh4io4 s a remarkably energetic compound


An iodate is a conjugate base of iodic acid. In the iodate anion, iodine is bonded to three oxygen atoms and the molecular formula is IO
3
. The molecular geometry of iodate is trigonal pyramidal.

Contents

Iodate can be obtained by reducing periodate with a thioether. The byproduct of the reaction is a sulfoxide.

Iodates are a class of chemical compounds containing this group. Examples are sodium iodate (NaIO3), silver iodate (AgIO3), and calcium iodate (Ca(IO3)2). Iodates resemble chlorates with iodine instead of chlorine.

In acid conditions, iodic acid is formed. Potassium hydrogen iodate (KH(IO3)2) is a double salt of potassium iodate and iodic acid and an acid as well. Iodates are used in the iodine clock reaction.

Potassium iodate, like potassium iodide, has been issued as a prophylaxis against radioiodine absorption in some countries.

31 periodate cleavage retrosynthesis and green chemistry


Other oxyanions

Iodine can assume oxidation states of −1, +1, +3, +5, or +7. A number of neutral iodine oxides are also known.

References

Iodate Wikipedia


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