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There is a page named "Tellurous) black-brown powder prepared by precipitating it from a solution of tellurous acid or telluric acid (Te(OH)6). Tellurium is a semiconductor that shows greater... 60 KB (6,960 words) - 20:12, 15 March 2025
not well characterised and may be a mixture of Te(OH)6 and (H2TeO4)n. Tellurous acid H2TeO3, containing tellurium in its +4 oxidation state, is known but...
7 KB (611 words) - 10:04, 27 August 2024
a oxyanion of tellurium with the formula TeO2− 3. It is the ion of tellurous acid, and is chemically related to tellurium dioxide (TeO 2), whose mineral...
4 KB (330 words) - 23:12, 9 January 2025
Oxygen acid
) An oxyacid, oxoacid, or ternary acid is an acid that contains oxygen. Specifically, it is a compound that contains hydrogen, oxygen, and at least one...
23 KB (1,869 words) - 00:36, 17 March 2025
gas, to boost the removal of carbon dioxide, as have selenous acid and tellurous acid. Selenium acts as a catalyst in some microorganisms. Tellurium...
246 KB (27,797 words) - 19:33, 31 March 2025
with O2: Te + O2 → TeO2 An alternative preparation is to dehydrate tellurous acid, H2TeO3, or to thermally decompose basic tellurium nitrate, Te2O4·HNO3...
9 KB (902 words) - 02:39, 17 November 2024
pKa to become the tellurite ion. This would happen in the reaction of tellurous acid with sodium hydroxide to make sodium tellurite. TeO2 + 2OH− → TeO32−...
6 KB (531 words) - 04:20, 3 December 2023
Hydrotelluric acid)
H2Te is chemically and structurally similar to hydrogen selenide, both are acidic. The H–Te–H angle is about 90°. Volatile tellurium compounds often have...
6 KB (435 words) - 14:50, 13 October 2024
oxychloride (TeOCl2), which further decomposes with excess water to form tellurous acid (H2TeO3). As is the case for other tellurium compounds, TeCl4 is toxic...
7 KB (595 words) - 17:17, 5 December 2024
– TeCl4 Tellurium tetrafluoride – TeF4 Tellurium tetraiodide – TeI4 Tellurous acid – H2TeO3 Beryllium telluride – BeTe Bismuth telluride – Bi2Te3 Cadmium...
121 KB (8,879 words) - 17:34, 30 March 2025
acid 7783-00-8 H2SeO4 selenic acid 7783-08-6 H2SiO3 silicic acid 7699-41-4 H2TeO3 tellurous acid 10049-23-7 H2TiO3 titanic acid H3AsO4 arsenic acid 7778-39-4...
183 KB (107 words) - 00:11, 18 March 2025
telluric acid Te(OH)6, and the name tellurite referred to oxyanions of tellurium with oxidation number +4, formally derived from tellurous acid (HO)2TeO...
11 KB (1,287 words) - 23:26, 1 April 2025
- acid is strongly heated. Tellurous acid, H2TeO3, is obtained when the tetrachloride is decomposed by water, or on dissolving tellurium in nitric acid