Ion-Dipole Force
| Formula / Notation | Ion-dipole: E ∝ q·μ/(r²); strongest for highly charged ions + high-μ molecules |
|---|---|
| Also Known As | Ion-dipole interaction, ion-dipole force, ion solvation interaction |
What is Ion-Dipole Force?
An attractive intermolecular force between an ion and a polar molecule. Ion-dipole forces are stronger than dipole-dipole forces and are responsible for the solvation of ions in polar solvents. They play a key role in the dissolution of ionic compounds in water.
Formula & Notation
Other Names / Synonyms: Ion-dipole interaction, ion-dipole force, ion solvation interaction
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
An attractive intermolecular force between an ion and a polar molecule. Ion-dipole forces are stronger than dipole-dipole forces and are responsible for the solvation of ions in polar solvents. They play a key role in the dissolution of ionic compounds in water.
Ion-dipole forces explain: why ionic compounds dissolve in water (hydration energy from ion-dipole interactions overcomes lattice energy), the selective solvation of cations by crown ethers and ionophores, the behaviour of ions at electrode surfaces, and the function of solvent in electrochemical re…
No direct safety concern. Understanding ion-dipole forces explains why DMSO and other polar aprotic solvents with large dipole moments strongly solvate anions, enhancing nucleophile reactivity and potentially facilitating transport of toxic compounds through skin.
The formula or notation for Ion-Dipole Force is: Ion-dipole: E ∝ q·μ/(r²); strongest for highly charged ions + high-μ molecules