AP EAMCET202119 Aug 2021Evening ShiftChemistrySurface ChemistryActual
The protective power of a lyophilic colloidal sol is expressed in terms of
Options
- ACritical micelle concentration
- BStandard reduction potential
- CGold number
- DOxidation number
Correct answer
C. Gold number
Step-by-step 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.