12th Class Chemistry Surface Chemistry / सतह रसायन

  • question_answer 82)
      What causes Brownian motion in colloidal dispersion?

    Answer:

                        Brownian movement may be. defined as continuous zig - zag movement of colloidal particles in a colloidal sol. A state of continuous, zig-zag motion of colloidal particles appears to be in view due to unbalanced bombardment of the particles of dispersed phase by molecules of dispersion medium. This Brownian movement stabilises the sol.


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