Surface Chemistry Questions

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

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

Which of the following statements is not correct?

Compared to common colloidal sols, micelles have :

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

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

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

According to Freundlich adsorption isotherm, which of the following is correct ?

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?

If x is amount of adsorbate and m is the amount of adsorbent, which of the following realtion is not related to adsorption process ?

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