What is the difference between lyophilic and lyophobic?
Understand the Problem
The question is asking for the distinction between lyophilic and lyophobic substances, which involves understanding their characteristics, behavior in solvents, and how they interact with the surrounding medium.
Answer
Lyophilic colloids are solvent-loving and stable; lyophobic colloids are solvent-hating and unstable.
Lyophilic colloids are solvent-loving, reversible, and thermodynamically stable, while lyophobic colloids are solvent-hating, irreversible, and thermodynamically unstable.
Answer for screen readers
Lyophilic colloids are solvent-loving, reversible, and thermodynamically stable, while lyophobic colloids are solvent-hating, irreversible, and thermodynamically unstable.
More Information
Lyophilic colloids, such as gelatin, are more easily formed and stable. They can be reformed by adding the dispersed medium. Lyophobic colloids require stabilization using additives and cannot be easily reversed, such as gold sol.
Tips
A common mistake is confusing the terms solvent-loving and solvent-hating with solubility, which does not directly correlate with lyophilic and lyophobic behaviors.
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