JEE Main 2010 — Ionic Equilibrium Question with Solution
From: AIEEE 2010
Question
Solubility product of silver bromide is 5.0 10–13. The quantity of potassium bromide (molar mass taken as 120g of mol–1) to be added to 1 litre of 0.05 M solution of silver nitrate to start the
precipitation of AgBr is :
Choose an option
Show full solutionCorrect option: B
Correct answer
B1.2 10–9 g
Step-by-step explanation
For precipitation to occur
Ionic product Solubility product
i.e., precipitation just starts when
moles of is added to solution
Number of moles of needed
from
Mass of
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This is a previous-year question from JEE Main 2010, covering the Ionic Equilibrium 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.