JEE Main 2023ChemistryHydrogenEasyMCQ

JEE Main 2023 — Hydrogen Question with Solution

JEE Main 2023 (25 Jan Shift 1)

Question

'25 volume' hydrogen peroxide means

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Show full solutionCorrect option: B
Correct answer
B1 L marketed solution contains 75 g of H2O2.

Step-by-step explanation

25 volumes' H2O2 means: 1 L of H2O2 on decomposition give 25 L of O2 (g) at STP.

2H2O2  (l) → 2H2O (l) + O2 (g) 2[2522.4]mole                     [2522.4]mole

Mass of H2O2 = 2 × 2522.4 × 34 = 75 gram

 

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About this question

This is a previous-year question from JEE Main 2023, 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.