Tellurous acid
chemical compound
Tellurous acid is a chemical compound. It is also an acid. Its chemical formula is H2TeO3. It contains hydrogen and tellurite ions. It can be made by reacting tellurium dioxide with water. It is not made as easily as telluric acid.
| Names | |
|---|---|
| IUPAC name Tellurous acid | |
| Other names Tellurium dioxide hydrate, tellurium(IV) oxide hydrate | |
| Identifiers | |
3D model (JSmol) | |
| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.030.145 |
PubChem CID | |
CompTox Dashboard (EPA) | |
SMILES
| |
| Properties | |
| H2TeO3 | |
| Molar mass | 177.616 grams |
| Appearance | colorless crystals |
| Density | ~ 3 g/cm3 |
| Boiling point | decomp. |
| negligible | |
| Acidity (pKa) | pKa(1) = 2.48, pKa(2) = 7.70 |
| Structure | |
| unknown | |
| pyramidal at Te | |
| Related compounds | |
| Other anions | Selenous acid Sulfurous acid |
| Other cations | Sodium tellurite |
| Related compounds | Telluric acid Selenic acid Sulfuric acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
It is a weak oxidizing agent and a weak reducing agent. It easily turns back into tellurium dioxide and water. It is a weak acid. It reacts with bases to make tellurites.
Related pages
🔥 Top keywords: Main PageSpecial:SearchSupreme Court of the United StatesList of UEFA European Championship finalsWikipedia:AboutList of U.S. statesHelp:ContentsHelp:IntroductionKnights of the Round TableList of Disney moviesBlackSpecial:RecentChangesGodzilla X Kong: The New EmpireList of people who have walked on the MoonList of U.S. states and territories by time zoneUnited StatesThe Garfield MovieEducation24-hour clockEid al-AdhaGolden EdgeQueen (band)List of countries by continentsAviciiBig Mac IndexAdolf Hitler UunonaUmro Ayyar - A New BeginningMurder of Junko FurutaHelp:Authority controlCristiano RonaldoBismillahir Rahmanir Raheem19 Kids and CountingSOLID (object-oriented design)Jude BellinghamXXXTentacionLisa SparxxxPeriodic tableList of fruitsBTS