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Iodous acid is the chemical compound with the formula HIO 2. Its salts are named iodites ; these are exceedingly unstable and have been observed but never isolated. [ 1 ] They will rapidly disproportionate to molecular iodine and iodates .
Hypoiodous acid is an inorganic compound with the chemical formula H I O. It forms when an aqueous solution of iodine is treated with mercuric or silver salts. It rapidly decomposes by disproportionation: [2] 5 HIO → HIO 3 + 2 I 2 + 2 H 2 O. Hypoiodous acid is a weak acid with a pK a of about 11. The conjugate base is hypoiodite (IO −).
2 i 2 + n 2 h 4 4 hi + n 2 At room temperature, it is a colourless gas, like all of the hydrogen halides except hydrogen fluoride , since hydrogen cannot form strong hydrogen bonds to the large and only mildly electronegative iodine atom.
Iodites (including iodous acid) are highly unstable and have been observed [1] but never isolated. [citation needed] They will rapidly disproportionate to molecular iodine and iodates. [2] However, they have been detected as intermediates in the conversion between iodide and iodate. [3] [4]
Calcium iodate, Ca(IO 3) 2, is the principal ore of iodine. It is also used as a nutritional supplement for cattle. It is also used as a nutritional supplement for cattle. Potassium iodate , KIO 3 , like potassium iodide , has been issued as a prophylaxis against radioiodine absorption in some countries.
Iodic acid is a white water-soluble solid with the chemical formula HIO 3. Its robustness contrasts with the instability of chloric acid and bromic acid. Iodic acid features iodine in the oxidation state +5 and is one of the most stable oxo-acids of the halogens. When heated, samples dehydrate to give iodine pentoxide. On further heating, the ...
Hydroiodic acid (or hydriodic acid) is a colorless liquid. It is an aqueous solution of hydrogen iodide with the chemical formula H I. It is a strong acid, in which hydrogen iodide is ionized completely in an aqueous solution. Concentrated aqueous solutions of hydrogen iodide are usually 48% to 57% HI by mass. [2] An oxidized solution of ...
Chemical formula. I 2 O Molar mass: 269.808 g/mol ... Diiodine oxide reacts with water to form hypoiodous acid: I 2 O + H 2 O → 2 HIO. References a b; This page ...