The protective power of a lyophilic colloidal sol is expressed in terms of

The protective power of a lyophilic colloidal sol is expressed in terms of

  1. Critical micelle concentration

  2. Standard reduction potential

  3. Gold number
  4. Oxidation number

Solution

The protective power of lyophilic colloidal sol is expressed in terms of gold number. Gold number is the number of milligrams of the protective colloid which prevent the coagulation of 10 ml of red gold sol. Smaller the gold number higher the protective power of a colloid.

Asked in: AP EAMCET 2021 (19 Aug Shift 2)

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