Question

Why less electrolyte is required in sol. Having more coagulation power?

Answer 1

Hey :-)

Its based on concept of Electrostatic-The minimum concentration of the electrolyte in millimoles that must be added to one litre of the sol so as to bring about complete coagulation is called the coagulation or flocculation value of the electrolyte for the sol. ... Smaller the cogulaion value of the electrolyte larger is its coagulating or precipitating power.