What is the difference between lyophobic sol and lyophilic sol?

Answers 2

Lyophilic sols are reversible in nature, which means that they can be disintegrated in their dispersed phase and medium. Lyophobic sols are irreversible in nature, which means that they cannot be disintegrated in their dispersed phase and medium.

The difference between lyophobic sol and lyophilic sol is:-

Lyophobic sol - Substances that do not form colloidal sol when mixed with dispersion medium are called lyophobic sol.

  • They are also called "solvent-hating".
  • Only specific methods can be used to make these colloidal sols.
  • They are irreversible and not much hydrated.
  • Examples are oxides, metals and metal sulphides.

Lyophilic sol - Lyophilic sols are liquid-loving colloids in which the disperse phase and the dispersion medium have a strong affinity for each other.

  • They are also called "solvent-loving".
  • These are reversible sols that can be recovered by adding back the dispersion medium.
  • Examples are gum, protein, starch, gelatin, etc. dissolved in water.

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