JEE Main 2026 — Ionic 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:
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:
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:
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Ionic Equilibrium chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →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.