JEE Main 2023 — Ionic Equilibrium Question with Solution
From: JEE Main 2023 (Online) 24th January Evening Shift
Question
If the pKa of lactic acid is 5, then the pH of 0.005 M calcium lactate solution at 25C is ___________ 10 (Nearest integer)
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Show full solutionCorrect answer: 85
Step-by-step explanation
Concentration of calcium lactate , concentration of lactate ion .
Calcium lactate is a salt of weak acid strong base
Salt hydrolysis will take place.
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This is a previous-year question from JEE Main 2023, 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.