JEE Main 2022 — Redox Reactions Question with Solution
From: JEE Main 2022 (Online) 28th June Evening Shift
Question
0.01 M KMnO4 solution was added to 20.0 mL of 0.05 M Mohr's salt solution through a burette. The initial reading of 50 mL burette is zero. The volume of KMnO4 solution left in the burette after the end point is _____________ mL. (nearest integer)
Enter your answer
Show full solutionCorrect answer: 20
Step-by-step explanation
Volume required
Since initial volume of in burette is .
Hence volume of left in the burette after end point is .
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Redox Reactions 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 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.