Gold number of some lyophilic sols are : Which has maximum protective power :
When 6xx10^(-5)g of a protective colloid was added to 20mL of a standard gold sol, the precipitation of latter was just prevented on addition of 2mL of 10%NaCl solution. The gold number of a protective colloid is
Gold sol is an electronegative sol. The amount of electrolyte required to coagulate a certain amount of gold sol is maximum in this case of
Multimolecular sols are:
Lyophobic sols are:
NARENDRA AWASTHI-SURFACE CHEMISTRY-Level 3 - Assertion - Reason Type Questions
