JEE Main 2019 — Hydrogen Question with Solution
From: JEE Main 2019 (Online) 10th January Morning Slot
Question
The chemical nature of hydrogen peroxide is :
Choose an option
Show full solutionCorrect option: B
Correct answer
BOxidising and reducing agent in both acidic and basic medium
Step-by-step explanation
H2O2 act as oxidising agent and reducing agent in acidic medium as well as basic medium.
H2O2 Act as oxidant : -
H2O2 + 2H + 2e 2H2O (In acidic medium)
H2O2 + 2e 2OH (In basic medium)
H2O2 Act as reductant : -
H2O2 2H+ + O2 + 2e (In acidic medium)
H2O2 + 2OH 2H2O + O2 + 2e (In basic medium)
H2O2 Act as oxidant : -
H2O2 + 2H + 2e 2H2O (In acidic medium)
H2O2 + 2e 2OH (In basic medium)
H2O2 Act as reductant : -
H2O2 2H+ + O2 + 2e (In acidic medium)
H2O2 + 2OH 2H2O + O2 + 2e (In basic medium)
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This is a previous-year question from JEE Main 2019, covering the Hydrogen 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.