Intermolecular Forces I (van der Waals forces) 3.1 Dipole-Induced Dipole Attraction Dipole-induced dipole attraction + )00( lsolated oxygen molecule Induced dipole Permanent dipole (oxygen molecule) (water molecule) a (b) The dipole of water induces a dipole in O2 by distorting the O2 electron cloud. 8 Dipolar H2O and nonpolar O2 approach Water dipole Induced dipole in O2 Why small quantities of O2 can be dissolved in water3.1 Dipole 3.1 Dipole-Induced Dipole Attraction Intermolecular Forces I (van der Waals forces) Why small quantities quantities of O2 can be dissolved dissolved in water ?