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Tellurium tetrafluoride can be prepared by the following reaction: TeO 2 + 2SF 4 → TeF 4 + 2SOF 2. It is also prepared by reacting nitryl fluoride with tellurium or from the elements at 0 °C or by reacting selenium tetrafluoride with tellurium dioxide at 80 °C. Fluorine in nitrogen can react with TeCl 2 or TeBr 2 to form TeF 4.
Tellurium compounds are compounds containing the element tellurium (Te). Tellurium belongs to the chalcogen (group 16) family of elements on the periodic table, which also includes oxygen, sulfur, selenium and polonium: Tellurium and selenium compounds are similar. Tellurium exhibits the oxidation states −2, +2, +4 and +6, with +4 being most ...
It has a monoclinic crystal structure and is isotypic with zirconium tetrafluoride and hafnium tetrafluoride, where the Th 4+ ions are coordinated with F − ions in somewhat distorted square antiprisms. [14] It is a white, hygroscopic powder: at temperatures above 500 °C, it reacts with atmospheric moisture to produce the oxyfluoride ThOF 2. [27]
A tetrafluoride is a chemical compound with four fluorines in its formula. ... Tellurium tetrafluoride, TeF 4, a stable, white, hygroscopic crystalline solid;
Tellurium fluoride may refer to any of these compounds: Tellurium tetrafluoride, TeF 4; Tellurium hexafluoride, TeF 6; Ditellurium decafluoride, Te 2 F 10
The tellurium analogues of common organosulfur and organoselenium functional groups are known. Tellurols are however unstable with respect to oxidation to the ditellurides. Commonly encountered organotellurium compounds are diorganomono- and ditellurides, R 2 Te and (RTe) 2, respectively.
Tellurium is a chemical element; it has symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur, all three of which are chalcogens. It is occasionally found in its native form as elemental crystals.
Tellurium tetrachloride is the inorganic compound with the empirical formula TeCl 4. The compound is volatile, subliming at 200 °C at 0.1 mmHg. [ 2 ] Molten TeCl 4 is ionic, dissociating into TeCl 3 + and Te 2 Cl 10 2− .