Their flight takes off in a disturbing rainstorm and encounters the kind of turbulence that has the co-pilot crying out, Oh, Lord!. But Whip powers them at high speed into an area of clear sky, before a mechanical malfunction sends the aircraft into an uncontrollable nosedive.
As a result, the strongest type of intermolecular interaction between molecules of these substances is the London dispersion force . Due to the fact that the polar bonds do not cancel in the remaining molecules, they exhibit dipole - dipole interactions: these are stronger than London dispersion forces. However, #HF# exhibits hydrogen bonding - a stronger force still that is similar to the dipole - dipole interaction - whilst #CHF_3# does not. Thus, strength of intermolecular forces between molecules of each of these substances can be expressed, in terms of strength, as: #CF_4 = OF_2 < CHF_3 < HF#.
Intramolecular and intermolecular forces. 1  Types of intramolecular forces of attraction. 2  Relative strength of the intramolecular forces. 3  Intermolecular forces of attraction. 4  Types of intermolecular forces that exist between molecules. 5  Relative strength of intermolecular forces of attraction. 6  How forces of attraction affect properties of compounds.