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Chapter 6: Problem 2

Which method is used to destroy a sol? (a) Condensation (b) Dialysis (c) Diffusion (d) Addition of electrolyte

Short Answer

Expert verified
The method used to destroy a sol is (d) Addition of electrolyte.

Step by step solution

01

Understanding the Methods

Consider each method and understand whether it can destabilize a sol or not. Condensation is a phase change from gas to liquid, does not particularly impact colloidal stability. Dialysis is a separation method used to remove small, dissolved ions from colloids, but it does not necessarily destabilize the sol. Diffusion refers to the movement of particles from an area of high concentration to an area of low concentration, and has no direct implication on sol stability.
02

Identify the correct method

Finally, consider the addition of electrolyte. The addition of an electrolyte engine can disrupt the balance, leading to aggregation of particles, which means destroying the sol. As electrolytes are charged particles, they can effectively neutralize the charge on the colloidal particles that gives them stability and stops them from aggregating.

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Most popular questions from this chapter

Which of the following is emulsifier? (a) Soaps (b) Detergents (c) Both (d) None

Stability of lyophilic sol is due to (a) Brownian motion of only (b) electric charge only (c) both Brownian motion and charge (d) particle size

Gold number is measure of (a) amount of gold present in colloidal solution (b) amount of gold required to break the colloid (c) amount of gold required to protect the colloidal (d) none

An emulsifier is a substance which (a) helps dispersion of liquid in liquid (b) stabilises the emulsion (c) purifies the emulsion (d) coagulates the emulsion

The potential difference between fixed charged layer and diffused layer with opposite charge is called (a) colloidal potential (b) electrode potential (c) zeta potential (d) none
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