JEE Main 2022 — Redox Reactions Question with Solution
From: JEE Main 2022 (Online) 26th July Evening Shift
Question
of hypo solution is used for the titration of of copper sulphate solution, in the presence of excess of KI using starch as an indicator. The molarity of is found to be ____________ . [nearest integer]
Given :
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Show full solutionCorrect answer: 4
Correct answer
4
Step-by-step explanation
Milliequivalents of hypo solution
Milliequivalents of in solution =
Milliequivalents of Milliequivalents of hypo = 0.4
Millimoles of ions in
Molarity of ions
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This is a previous-year question from JEE Main 2022, covering the Redox Reactions 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.