JEE Main 2013 — Surface Chemistry Question with Solution
From: JEE Main 2013 (Offline)
Question
The coagulating power of electrolytes having ions Na+, Al3+ and Ba2+ for arsenic sulphide sol increases in the order:
Choose an option
Show full solutionCorrect option: A
Correct answer
ANa+ < Ba2+ < Al3+
Step-by-step explanation
According to Hardly Schulze rule, greater the charge or cation, greater is its coagulating power for negatively charged solution. Hence the correct order of coagulating power :
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This is a previous-year question from JEE Main 2013, 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.