JEE Main 2023 — Redox Reactions Question with Solution
From: JEE Main 2023 (Online) 31st January Morning Shift
Question
The oxidation state of phosphorus in hypophosphoric acid is + _____________.
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Correct answer
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Step-by-step explanation
Hypophosphoric acid H4P2O6
Oxidation state is +4
Oxidation state is +4
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This is a previous-year question from JEE Main 2023, 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.