JEE Main 2021 — Ionic Equilibrium Question with Solution
From: JEE Main 2021 (Online) 16th March Evening Shift
Question
Sulphurous acid (H2SO3) has Ka1 = 1.7 102 and Ka2 = 6.4 108. The pH of 0.588 M H2SO3 is __________. (Round off to the Nearest Integer).
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Show full solutionCorrect answer: 1.036
Correct answer
1.036
Step-by-step explanation
of of
The contribution of H+ from 2nd dissociation of H2SO3 can be neglected.

The contribution of H+ from 2nd dissociation of H2SO3 can be neglected.

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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.