JEE Main 2021 — Surface Chemistry Question with Solution
From: JEE Main 2021 (Online) 25th February Evening Shift
Question
Which one of the following statements is FALSE for hydrophilic sols?
Choose an option
Show full solutionCorrect option: D
Correct answer
DTheir viscosity is of the order of that of H2O.
Step-by-step explanation
1. Viscosity of hydrophilic sol > viscosity of H2O
2. Hydrophilic sol is more stable so can't be easily coagulated.
3. Hydrophilic sols are reversible sols.
4. No electrolytes are required to stabilise hydrophilic sol.
2. Hydrophilic sol is more stable so can't be easily coagulated.
3. Hydrophilic sols are reversible sols.
4. No electrolytes are required to stabilise hydrophilic sol.
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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.