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JEE Main 2021 — Surface Chemistry Question with Solution

JEE Main 2021 (20 Jul Shift 2)

Question

For coagulation of 50 mL of a sol, 10 mL of 0.5M Cl- ion solution is required. What is the coagulating value of Cl- ion solution (Nearest integer)

NOTE: NTA question has been changed because it had errors.}

 

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Step-by-step explanation

Coagulation value=Number of millimoles of electrolyte required Volume of colloidal solution in L                               =10×0.5×100050=100

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About this question

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.