Surface Chemistry - Physical Chemistry - Chemistry Previous Year Questions

Critical Micelle concentration for a soap solution is \(1.5 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}\). Micelle formation is possible only when the concentration of soap solution in \(\mathrm{mol} \mathrm{~L}^{-1}\) is

Which of the following is an example of homogeneous catalysis?

A sol of \(\mathrm{AgI}\) is prepared by mixing equal volumes of \(0.1 \mathrm{~M} \mathrm{~AgNO}_3\) and \(0.2 \mathrm{~M} \mathrm{~KI}\), which of the following statement is correct?

During adsorption of a gas on a solid at low temperature

A colloidal solution is subjected to an electric field than colloidal particles more towards anode. The amount of electrolytes of \(\mathrm{BaCl}_2, \mathrm{AlCl}_3\) and \(\mathrm{NaCl}\) required to coagulate the given colloid is in the order

Zeta potential is

Colloidal solution commonly used in the treatment of skin disease is

Which can adsorb larger volume of hydrogen gas?

Aqueous solution of raw sugar when passed over beds of animal charcoal, it becomes colourless. Pick the correct set of terminologies that can be used for the above example.

For Freundlich adsorption isotherm, a graph of \(\log (x / m)\) vs \(\log (p)\) gives a straight line. The slope of line and its \(Y\)-axis intercept respectively are

For the coagulations of positively charged hydrated ferric - oxide sol, the flocculating power of the ions is in the order:

Identify the incorrect statement