Surface Chemistry · Chemistry · KCET
MCQ (Single Correct Answer)
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
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
Colloidal solution commonly used in the treatment of skin disease is
Which can adsorb larger volume of hydrogen gas?
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
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
Which of the following is an example of homogeneous catalysis?
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