JEE Main 2025ChemistryIonic EquilibriumMediumNumerical

JEE Main 2025Ionic Equilibrium Question with Solution

JEE Main 2025 (4 Apr Shift 1)

Question

The pH of a 0.01 M weak acid is found to be 5. Now the acid solution is diluted with excess of water so that the pH of the solution changes to 6. The new concentration of the diluted weak acid is given as . The value of x is ________ (nearest integer)

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Show full solutionCorrect answer: 25
Correct answer
25

Step-by-step explanation


On dilution let final concentration of

Data given is inconsistent \& contradictory. This should be bonus.

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About this question

This is a previous-year question from JEE Main 2025, 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.