Dispersion Forces

London Dispersion force is present between :-

Assertion : Fluorine (Fe_(2)) is gas white iodine (I_(2)) is solid at room temperature. Reason :A large molecule or heavy atom is more polarizable and has larger dispersion forces because it has many electrons some of which are less hightly hekld and are farther from the nucleus.

Which of the following is not correctly matched with respect to the intermolecular forces existing amongst the molecules (Hydrogen bonding is not taken as dipole-dipole attraction)? A) Benzene - London dispersion forces B) H_(2)O -hydrogen bonding .C) Hydrochloric acid - dipole-dipole attraction D) lodine monochloride - London dispersion force

Statement-1:Branched alkanes have lower boiling point than their unbranched isomers Statement-2: Branched alkanes has relatively small surface area, so less London's dispersion force act among molecules.

Arrange the following types of intermolecular forces in order of decreasing their strength (a) Ion dipole (b) Keesom forces (C ) Dispersion or London forces (d) Dipole-induced dipole (e) lon-induced dipole (Debye forces) .