JEE Main 2021 — Surface Chemistry Question with Solution
JEE Main 2021 (27 Aug Shift 2)
Question
Lyophilic sols are more stable than lyophobic sols because:
Choose an option
Show full solutionCorrect option: C
Correct answer
Cthe colloidal particles are solvated.
Step-by-step explanation
Lyophilic sols are quite stable and cannot be easily coagulated. Lyophobic sols need stabilising agents for their preservation.
| Property | Lyophilic colloids | Lyophobic colloids |
| Stability | These are very stable | These are unstable and require traces of stabilizers |
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This is a previous-year question from JEE Main 2021, covering the Surface Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.