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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Adsorption and adsorption isotherm

  • question_answer
    Activated charcoal is used to remove coloring matter from pure substances. It works by                [KCET 2005]

    A)                 Oxidation           

    B)                 Reduction

    C)                 Bleaching            

    D)                 Adsorption

    Correct Answer: D

    Solution :

                    It has been observed that the surface of a solid (or liquid) has the tendency to attract and retain the molecules of other immiscible phase with which it is brought into contact. These molecules remian only at the surface and do not go deeper into the bulk. This tendency of accumulation of molecular species at the surface than in the bulk of a solid (or liquid) it termed adsorption.


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