Free PDF download of Class 12 Chemistry revision notes & short key-notes for Chapter 5 - Surface Chemistry to score high marks in exams, prepared by expert . standard and overall coverage of colloid and surface chemistry intermediate between physical chemistry and the comprehensive accounts found in special- . Surface Chemistry and Catalysis. Michalis Konsolakis. School of Production Engineering and Management, Technical University of Crete.
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Surface chemistry deals with phenomena that occur at the surfaces or interfaces. The interface or surface is represented by separating the bulk phases by a. Surface Chemistry is the branch of chemistry which deals with the at the surface is termed as adsorbate and the material on the surface of which the. Surface Chemistry Class 12 Inorganic Formulas Notes Pdf Download. POINTS TO REMEMBER. Adsorption: The accumulation of molecular species at the.
It is not specific in nature. Loading More Solutions The movement of colloidal particles under an applied electric potential Charge on colloidal particles: Toll Free: The minimum concentration of an electrolyte in millimols per litre required to cause precipitation of a sol in two hours. Previous Year Paper for Class 12 Chemistry. Class
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Our Blog. Contact Us. It is a process of removing a dissolved substance from a colloidal solution by means of diffusion through a suitable membrane. Dialysis can be made fasterby applying an electric field if the dissolved substance in the impure colloidal solution is only an electrolyte..
The scattering of light rays by colloidal particles due to which the path of light is illuminated. Tyndalleffect is observed only when a The diameter of the dispesed particles is not much smaller than the wave length of the light used b The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
The zig-zag movement of colloidal particles due to the unbalanced bombardment of the dispersed particles with the molecules of the dispersion medium. The movement of colloidal particles under an applied electric potential Charge on colloidal particles: Caused due to a addition of electrolytes b electrophoresis c boiling d mixing two oppositely charged sols. Greater the valence of the coagulating ion added to a sol, the greater is its power to cause precipitation.
Coagulating value of an electrolyte: The minimum concentration of an electrolyte in millimols per litre required to cause precipitation of a sol in two hours. We are not responsible for any type of mistake in data. All pdf files or link of pdf files are collected from various Resources Or sent by Students.
If any pdf file have any copyright voilation please inform us we shell remove that file from our website. Class 7. Class 8. Class 9. Class The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid Adsorbate: Factors featuring adsorption The extent of adsorption increases with the increase of surface area per unit mass of the adsorbent at a give temperature and pressure.
It is not specific in nature. It is reversible in nature. No appreciable activationenergy is needed. It results into multimolecular layers on adsorbent surface under high pressure. It is caused by chemical bond formation.
It is highly specific in nature. It is irreversible. It results into unimolecular layer.
Lyophilic colloids Lyophobic colloids 1. Solvent liking 2. Reversible sols 3. Quite stable 4. Cannot be easily Coagulated 1. Solvent hating 2. Irreversible sols 3.