JEE Main 2026ChemistryIonic EquilibriumMediumNumerical

JEE Main 2026Ionic Equilibrium Question with Solution

JEE Main 2026 (04 April Shift 1)

Question

The pH of a solution obtained by mixing mL of M solution with mL of M solution is _____ . (Nearest integer)
Given:


Enter your answer

Show full solutionCorrect answer: 756
Correct answer
756

Step-by-step explanation

The given mixture forms a basic buffer solution.

Millimoles of base mmol

Millimoles of salt mmol

Using the Henderson-Hasselbalch equation for a basic buffer:







We know that



The pH of the solution is given by:







Answer:

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About this question

This is a previous-year question from JEE Main 2026, 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.