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Q.
Which of the following factors contribute towards higher stability of lyophilic colloid?
Surface Chemistry
Solution:
There are two factors which are responsible for the stability of lyophilic sols-
These factors are the charge and solvation of the colloidal particles.
When these two factors are removed, a lyophilic sol can be coagulated.
This is done:
by adding an electrolyte
by adding a suitable solvent
Hence, high solvation due to a layer of the dispersion medium is a factor contributing to the stability of lyophilic colloids and hence option D is right.