Surface Chemistry Questions

The volume of a colloidal particle, $V_C$ as compared to the volume of a solute particle in a true solution $V_S$, could be:

The disperse phase in colloidal iron (III) hydroxide and colloidal gold is positively and negatively charged, respectively. Which of the following statements is NOT correct?

In Langmuir’s model of adsorption of a gas on a solid surface:

Identify the correct statements regarding enzymes:

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:

Which of the following statements is incorrect regarding physisorption?

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