JEE Main 2023 — Surface Chemistry Question with Solution
From: JEE Main 2023 (Online) 13th April Morning Shift
Question
What happens when a lyophilic sol is added to a lyophobic sol?
Choose an option
Show full solutionCorrect option: C
Correct answer
CFilm of lyophilic sol is formed over lyophobic sol.
Step-by-step explanation
When a lyophilic sol is added to a lyophobic sol, the lyophilic sol forms a protective film around the lyophobic sol particles, preventing their aggregation or coagulation. This process is known as "protection" and is used to stabilize lyophobic sols.
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This is a previous-year question from JEE Main 2023, 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.