Ion-Dipole Forces (Leaving Cert Chemistry): Flashcards

An attractive force between an ion and a polar molecule

Partial positive and partial negative regions

It's polar, allowing strong ion-dipole interactions

Partial negative charge ($\delta^-$)

Partial positive charges ($\delta^+$)

Negative end (oxygen atoms)

Positive end (hydrogen atoms)

When an ion becomes surrounded by water molecules

Ion-dipole forces are stronger

Ion-dipole forces are weaker

Ion charge, molecular polarity, distance

Directional - molecules orient to maximize attraction

Ion-dipole forces are the primary reason