Thallium(III) hydroxide, , also known as thallic hydroxide, is a
hydroxide
Hydroxide is a diatomic anion with chemical formula OH−. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. I ...
of
thallium
Thallium is a chemical element with the symbol Tl and atomic number 81. It is a gray post-transition metal that is not found free in nature. When isolated, thallium resembles tin, but discolors when exposed to air. Chemists William Crookes an ...
. It is a white solid.
Thallium(III) hydroxide is a very weak base; it dissociates to give the thallium(III)
ion
An ion () is an atom or molecule with a net electrical charge.
The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by conve ...
, , only in strongly acidic conditions.
Preparation
Thallium(III) hydroxide can be produced by the reaction of
thallium(III) chloride with
sodium hydroxide or the electrochemical oxidation of in
alkaline conditions.
References
Hydroxides
Thallium(III) compounds
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