Question

The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles

A. exhibit enormous surface area
B. remain suspended in the dispersion medium
C. form lyophilic colloids
D. are comparatively less in number  
Answer :   are comparatively less in number
Solution :
Colloidal particles being bigger aggregates, the number of particles in a colloidal solution is comparatively small as compared to a true solution.

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Releted Question 1

Rate of physiorption increases with

A. decrease in temperature
B. increase in temperature
C. decrease in pressure
D. decrease in surface area
View Answer
Releted Question 2

Adsorption of gases on solid surface is generally exothermic because

A. enthalpy is positive
B. entropy decreases
C. entropy increases
D. free energy increases
View Answer
Releted Question 3

Lyophilic sols are

A. Irreversible sols
B. They are prepared from inorganic compound
C. Coagulated by adding electrolytes
D. Self-stabilizing
View Answer
Releted Question 4

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

A. $$C{H_3}{\left( {C{H_2}} \right)_{15}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$
B. $$C{H_3}{\left( {C{H_2}} \right)_{11}}OSO_3^ - N{a^ + }$$
C. $$C{H_3}{\left( {C{H_2}} \right)_6}CO{O^ - }N{a^ + }$$
D. $$C{H_3}{\left( {C{H_2}} \right)_{11}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$
View Answer

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Surface Chemistry

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Physical ChemistrySome Basic Concepts in ChemistryStoichiometryStates of Matter Solid, Liquid and GasAtomic StructureChemical ThermodynamicsSolutionsSolid StateSurface ChemistryChemical EquilibriumIonic EquilibriumChemical KineticsRedox ReactionElectrochemistryNuclear Chemistry
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