Classification of Colloids

IMPORTANT

Classification of Colloids: Overview

This topic covers concepts, such as, Classification of Colloidal Solutions Based on Physical States of Dispersed Phase and Dispersion Medium, Sol, Kraft Temperature & Thermodynamic Aspects of Micelle Formation etc.

Important Questions on Classification of Colloids

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

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Foam is formed when_______

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At high concentration of soap in water soap behaves as a

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In general, for soaps, the concentration of surfactant at CMC is around mol. L-1

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Draw and identify the hydrophobic and hydrophilic parts of sodium stearate ion?

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An ionic micelle consists of as many as _____ such ions.

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Starch dispersed in hot water is an example of:

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A cationic colloidal electrolyte forms micelle at 104 M concentration in water. If 1 mm3  solution contains 1012  micelle structures, then the number of cations involved in one micelle is _______.
Give the nearest integer as answer.NA=6.0×1023mol-1

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Blood contains:

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The colloidal system consisting of a liquid adsorbate in a solid adsorbent is termed as

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Black diamonds are the dispersion of

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A colloidal sol of substance 'X' is a reversible sol and is highly stable towards coagulation by addition of electrolyte. 'X' may be colloidal sol of

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Potassium stearate is an example of

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Which of the following surfactant has the lowest CMC in ambient conditions?

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Lyophilic sols are

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Jellies are an example of:

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The critical micelle concentration (CMC) is

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Gold sol is not a

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Which one of the following statements is not correct?

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Which among the following forms cationic micelle after a certain amount of it is dispersed in water?