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  • Which of the following factors can promote the coagulation of a colloidal solution?Option: 1 Increase in temperature &nbsp

Which of the following factors can promote the coagulation of a colloidal solution?

Option: 1

Increase in temperature
 


Option: 2

Increase in pH
 


Option: 3

Decrease in electrolyte concentration

 


Option: 4

Presence of a stabilizing agent


Answers (1)

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An increase in temperature can promote the coagulation of a colloidal solution by increasing the kinetic energy of the particles, leading to more frequent collisions and aggregation. On the other hand, a decrease in temperature can decrease the kinetic energy, resulting in less frequent collisions and stability of the colloid. Increase in pH or the presence of a stabilizing agent can also enhance the stability of a colloid and prevent coagulation. The presence of electrolytes, however, can cause coagulation by neutralizing the charges on the surface of the colloidal particles.

 

Posted by

Devendra Khairwa

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