Which of the substances has polar interactions (dipole-dipole forces) between molecules? CF4 CHF3 N2 HF SO2 Which molecules exhibit only London (dispersion) forces? CH4 CH3F BCl3 I2 NF3 Which of the compounds have only dispersion forces? NH3C9H20CH3OHC4H10 Which pair of compounds or ions exhibit an ion-dipole interaction? CH3CH2OH and H2O and K+ CH3OH and Na+ CH3CH2CH2CH2CH3 and CH3CH2CH2CH2COOH