Why are lyophilic colloids considered protective in the context of...

Why are lyophilic colloids considered protective in the context of lyophobic colloids?

Options

AThey induce coagulation
BThey form dispersion
CThey enhance solvation
DThey form protective layers

Correct answer

D. They form protective layers

Step-by-step solution

Lyophilic colloids are considered protective because, when added to lyophobic sols, they form protective layers around lyophobic particles, as mentioned in the paragraph.

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