JEE Main 2021 — Ionic Equilibrium Question with Solution
From: JEE Main 2021 (Online) 31st August Morning Shift
Question
A3B2 is a sparingly soluble salt of molar mass M (g mol1) and solubility x g L1. The solubility product satisfies . The value of a is _____________. (Integer answer)
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Show full solutionCorrect answer: 108
Correct answer
108
Step-by-step explanation
KSP = (3s)3 (2s)2
KSP = 108 s5 & s = (x/M)
KSP = 108
given
comparing a = 108
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This is a previous-year question from JEE Main 2021, 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.