JEE Main 2021ChemistrySurface ChemistryMediumMCQ

JEE Main 2021 — Surface Chemistry Question with Solution

JEE Main 2021 (26 Aug Shift 2)

Question

The sol given below with negatively charged colloidal particles is:

Choose an option

Show full solutionCorrect option: A
Correct answer
AAgNO3 added to KI solution

Step-by-step explanation

1FeCl3 added to hot water, 

(2) When AgNO3 is added to KI, 

(3) When Kl is added to AgNO3, 

4Al2O3·2H2O in water 

AlOH3/Al3+ positively charged 

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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.