JEE Main 2013 — Surface Chemistry Question with Solution
JEE Main 2013 (07 Apr)
Question
The coagulating power of electrolytes having ions , and for arsenic sulphide sol increases in the order,
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
is negatively charged sol.
According to the Hardy Schulze rule, the greater the charge on the cation (oxidation state), the greater is its coagulating power for the negatively charged sol. Hence, the increasing order is:
(highest 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.