Briefly explain London or disperison forces

1.	Briefly explain London or disperison forces
Answer» Solution :These are intermolecular FORCE.Which EXISTS in MONOATOMIC gases like He,Ne etc and homodiatomic molecules (non-polar molecules) 1/He, `H_(2), O_(2), N_(2)` etc. This was first explained by Fritz london in 1930. According to him, in non-poar and monoatomic gases, there is symmetrical distributaion of ELECTRON cloud. Due to the movement of electrons cloud gets destarded so that a MOMENTARY dipole is produces. In this one will be more negative. therefore, two molecules attract each other and hisin London force.

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