Surface Chemistry Questions

Which property of colloids is not dependent on the charge on colloidal particles?

Which property of colloidal solution is independent of charge on the colloidal particles :-

Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25o C. For this process, which of the following statement is correct?

Which of the following statements is correct for the spontaneous adsorption of a gas?

The correct statement(s) about surface properties is(are)

Which of the following statements is not correct?

Compared to common colloidal sols, micelles have :

When O2 is adsorbed on a metallic surface, electron transfer occurs from the metal to O2. The TRUE,statement (s) regarding this adsorption is (are)

The coagulating power of electrolytes having ions Na+, Al3+ and Ba2+ for aresenic sulphide sol increases in the order :-

In Freundlich adsorption isotherm, the value of 1 / n is

The protecting power of lyophilic colloidal sol is expressed in term of

In Freundlich Adsorption isotherm, the value of 1/n is:

The protecting power of lyophilic colloidal sol is expressed in terms of

Which one of the following statements is incorrect about enzyme catalysis?

Which one of the following statements regarding photochemical smog is not correct?

Which of the following statements is incorrect regarding physiosorptions ?

Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is

In Langmuir′s model of adsorption of a gas on a solid surface

The volume of a colloidal particle, VC as compared to the volume of a solute particle in a true solution VS, could be

Alum helps in purifying water by