JEE Main 2023 — Surface Chemistry Question with Solution
From: JEE Main 2023 (Online) 29th January Morning Shift
Question
Which of the following salt solutions would coagulate the colloid solution formed when is added to solution, at the fastest rate?
Choose an option
Show full solutionCorrect option: B
Correct answer
B10 mL of 0.2 mol dm AlCl
Step-by-step explanation
In the coagulation of a negative sol, the flocculating power is in the order.
and with forms a negative sol.
coagulate it most.
and with forms a negative sol.
coagulate it most.
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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.