Surface Chemistry

Identify the incorrect statement

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

Gold sol is not a

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

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.

Which can adsorb larger volume of hydrogen gas?

Colloidal solution commonly used in the treatment of skin disease is

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 o...

Zeta potential is

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

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?

Gold sol is not a

Which of the following electrolytes will have maximum coagulating value for $\mathrm{AgI} / \mathrm{Ag}^{+}$ sol?

Pick the correct statement among the following statement.

Hydrogenation of vegetable oils in presence of finely divided nickel as catalyst.The reaction is

The process which is responsible for the formation of delta at a place where rivers meets the sea is

Which of the following is not a favourable condition for physical adsorption?