Langmuir Equation which depicted a relationship between the number of active sites of the surface undergoing adsorption and pressure ….

Freundlich gave an empirical expression representing the isothermal variation of Adsorption of a quantity of gas adsorbed by unit mass ….

Chlorine is an important chemical element of the Halogen family. Chlorine is represented by chemical symbol Cl and has atomic number 17. It exists as a diatomic, yellow green gas. Most abundant compound of Chlorine is Sodium Chloride (NaCl).It is a weaker oxidizing agent in comparison to Fluorine (F2)….

Bromine is a chemical element of the Halogen family with atomic number 35. It is represented by symbol Br. It is a diatomic molecule and exists as reddish brown liquid state. Bromine ion (Br-) occurs in sea water in soluble compounds form. An interesting fact about Bromine is that it is only non-metallic element which exists in liquid form.

The process of Adsorption is usually studied through graphs know as adsorption isotherm. It is the graph between the amounts of adsorbate ..