Potassium hydride
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Potassium hydride is an inorganic compound with formula KH.
Table of contents
- 1Names
- 2Formulae and structures
- 3Properties
- 4Constituents
- 5Thermodynamic properties
- 6Solubility
- 7Preparations
- 8Chemical reactions
- 9References
- 10Related substances
- 11Related categories
Names
List of substance names
Nomenclature
Name
- Typical name
- Potassium hydride
- Compositional nomenclature
- Potassium hydride
- Additive nomenclature
- Hydridopotassium
- Monohydridopotassium
Formulae and structures
List of formulae
Formula name
Formula
- Typical formula
- KH
- Compositional formula
- KH
- Structural formula
- Lewis structure
- Colored Lewis structure
Properties
List of substance properties
Constituents
Constituent ions
| Ion | Name | Charge number | Number |
|---|---|---|---|
| K+ | Potassium ion | 1 | 1 |
| H− | Hydride ion | -1 | 1 |
Constituent atoms
| Atom | Name | Oxidation state | Number |
|---|---|---|---|
| K | Potassium | +1 | 1 |
| H | Hydrogen | −1 | 1 |
Ratio of atoms
| Atom | Atomic weight | Number | Atomic ratio | Weight ratio |
|---|---|---|---|---|
| K | 39.0983 | 1 | 50.00% | 97.49% |
| H | 1.008 | 1 | 50.00% | 2.51% |
Thermodynamic properties
Phase transition properties
Item
Value
- Enthalpy of fusion
- 21 kJ · mol−1[2]at 619°C
- Enthalpy of vaporization
- –
- Enthalpy of vaporization at 25°C
- –
- Enthalpy of other transition
- –
Standard thermodynamic properties
Solubility
Qualitative solubility
Preparations
Reaction of metal and nonmetal
The reaction of and yields potassium hydride.
Reaction of nonmetal and hydroxide base
The reaction of and hydroxide base can yield potassium hydride.
Chemical reactions
Reaction with oxidizing species
The reaction of potassium hydride and oxidizing species yields a variety of products.
Reaction with reducible species
The reaction of potassium hydride and reducible species yields a variety of products.
Reaction with hardly reducible species
The reaction of potassium hydride and hardly reducible species yields a variety of products.
Reaction with reducing species
The reaction of and potassium hydride yields sodium hydride and .
References
List of references
- 1James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- 2John R. Rumble Jr, David R. Lide, Thomas J. Bruno (2019)CRC Handbook of Chemistry and Physics 100th EditionCRC Press
- ^ Enthalpy of fusion, 21 kJ · mol−1 - p.6-159
- 3Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
