Tetrachloroiodic acid

Tetrachloroiodic acid  is an inorganic compound, a polyhalide acid with the formula HICl4.  In addition to an anhydrous form, an orange crystalline tetrahydrate is known.  It is unstable in air.Tetrachloroiodic (3) acid HICl4x4H2O

Synthesis

Tetrachloroiodic acid may be formed by dissolution of iodine trichloride in concentrated hydrochloric acid:

Tetrachloroiodic acid may also be made by passing chlorine through a solution of iodine in concentrated hydrochloric acid :

Physical propieties
Tetrachloroiodic acid forms a crystal hydrate which has orange crystals that are unstable in air and melt by dissolving in their own water of crystallization at 19 °C.

Corrodes skin, paper, etc.

Related pages
Iodine trichloride

References

Category:Iodine compounds
Category:Chlorine compounds