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Hydrogen telluride

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Identification
Molecular formula
H2Te
CAS number
7783-09-7
IUPAC name
hydrogen telluride
State
State

Hydrogen telluride exists as a gas at room temperature.

Melting point (Celsius)
-49.00
Melting point (Kelvin)
224.15
Boiling point (Celsius)
-4.00
Boiling point (Kelvin)
269.15
General information
Molecular weight
129.62g/mol
Molar mass
129.6210g/mol
Density
3.0250g/cm3
Appearence

Hydrogen telluride is a colorless gas under normal conditions. It has an offensive smell similar to decayed garlic, typical of hydrogen chalcogenides.

Comment on solubility

Solubility of Hydrogen Telluride

Hydrogen telluride, with the chemical formula H2Te, exhibits intriguing solubility characteristics in various solvents. Here is an overview of its solubility profile:

  • Solvent Interaction: Hydrogen telluride is primarily soluble in water, which is **notable** for a hydride of a chalcogen. This is attributed to its polar nature.
  • Concentration: Its solubility in water allows it to exist as a weak acid, H+ and TeH3-, in aqueous solutions.
  • Organic Solvents: H2Te also shows some solubility in organic solvents, such as alcohols and ethers, although less prevalent compared to its aqueous behavior.
  • Temperature Effects: The solubility can vary with temperature; typically, increasing the temperature enhances solubility, allowing for higher concentrations in solution.

In summary, hydrogen telluride's solubility is characterized by:

  1. Its **substantial solubility in water**.
  2. **Reactivity** in forming acidic solutions.
  3. Limited solubility in certain organic solvents.

This compound, while not as commonly encountered as other hydrides, highlights the diverse behaviors of chemical compounds in solution, showcasing how molecular structure influences solvation.

Interesting facts

Interesting Facts about Hydrogen Telluride

Hydrogen telluride, often represented as H2Te, is a fascinating and lesser-known binary compound of hydrogen and tellurium. This interesting compound holds various characteristics worth exploring:

  • Toxicity Concerns: Hydrogen telluride is recognized as a highly toxic gas. Exposure can lead to serious health effects, making its handling crucial in laboratory environments.
  • Reactivity: This compound is known for its ability to react with metals and form tellurides, expanding the scope of chemical interactions in synthetic chemistry.
  • Smell: A notable feature of hydrogen telluride is its distinctive odor, often described as reminiscent of rotten garlic. This characteristic is due to the presence of tellurium, which is notorious for producing pungent smells.

Applications and Research Perspectives

While hydrogen telluride may not be as widely utilized as some other compounds, research continues to uncover its potential:

  • Photovoltaics: There is emerging interest in hydrogen telluride in the field of solar energy. Its properties may enhance the efficiency of certain types of photovoltaic cells.
  • Synthesis of Tellurides: As a precursor, hydrogen telluride plays an important role in the synthesis of telluride compounds, which are utilized in various electronic applications.
  • Study of Chalcogenides: Researchers are investigating hydrogen telluride to improve the understanding of chalcogen chemistry, which has broader implications in material science.

In summary, hydrogen telluride serves as an intriguing example of a compound whose importance may not be widely recognized but has significant implications in both chemistry and industrial applications.

Synonyms
Hydrogen telluride
tellane
dihydridotellurium
hydrogen tellanide
dihydrogen tellanide
Dihydrogen telluride
[TeH2]
CHEBI:49907
DTXSID20228446
UNII-7F4735942K
EINECS 231-981-5
7F4735942K
(TeH2)
tellurium hydrides
hydrides of tellurium
CHEBI:36649
DTXCID40150937
hydrogen telluride (h2te)
hydrogen telluride [mi]
telane
tellurium hydride
tellurium hydride (teh2)
7783-09-7
H2Te
Tellurwasserstoff
VTLHPSMQDDEFRU-UHFFFAOYSA-N
PD156136
SY061554
Q411266