ionic dissociation theory
E562309
Ionic dissociation theory is a scientific concept that explains how certain substances split into charged ions when dissolved in water, accounting for their electrical conductivity and behavior in solution.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | electrolyte theory ⓘ |
| alsoKnownAs | Arrhenius theory of electrolytic dissociation NERFINISHED ⓘ |
| appliesTo |
strong electrolytes
ⓘ
weak electrolytes ⓘ |
| assumes |
electrolytes split into ions when dissolved in water
ⓘ
ions pre-exist in the solid and are separated by the solvent ⓘ |
| basisFor |
Arrhenius definition of acids
NERFINISHED
ⓘ
Arrhenius definition of bases NERFINISHED ⓘ |
| concerns |
aqueous solutions
ⓘ
electrolytes ⓘ |
| describes |
dissociation of substances into ions in solution
ⓘ
electrical conductivity of electrolyte solutions ⓘ formation of cations and anions from electrolytes ⓘ relationship between ion concentration and conductivity ⓘ |
| explains |
abnormal van ’t Hoff factors for electrolytes
ⓘ
colligative properties of electrolyte solutions ⓘ why aqueous solutions of salts conduct electricity ⓘ why aqueous solutions of strong acids conduct electricity ⓘ why aqueous solutions of strong bases conduct electricity ⓘ |
| field |
chemistry
ⓘ
electrochemistry ⓘ physical chemistry ⓘ |
| historicalStatus | foundational but partially superseded by more advanced electrolyte theories ⓘ |
| influenced |
Brønsted–Lowry acid–base theory
NERFINISHED
ⓘ
Debye–Hückel theory NERFINISHED ⓘ Lewis acid–base theory ⓘ development of modern electrolyte theories ⓘ |
| introducedIn | late 19th century ⓘ |
| involvesConcept |
anions
ⓘ
cations ⓘ electrical conductivity ⓘ electrolytic dissociation equilibrium ⓘ hydration of ions ⓘ ions ⓘ solvation ⓘ |
| proposedBy | Svante Arrhenius NERFINISHED ⓘ |
| relatedTo |
Arrhenius acid–base theory
ⓘ
degree of dissociation ⓘ electrolytic conductivity ⓘ osmotic pressure of solutions ⓘ van ’t Hoff factor ⓘ |
| states |
degree of dissociation depends on concentration
ⓘ
strong electrolytes are almost completely dissociated ⓘ weak electrolytes are only partially dissociated ⓘ |
| usedIn |
calculation of van ’t Hoff factors for electrolytes
ⓘ
interpretation of conductometric measurements ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.