JEE Main 2024ChemistrySome Basic Concepts of ChemistryHardNumerical

JEE Main 2024 — Some Basic Concepts of Chemistry Question with Solution

JEE Main 2024 (27 Jan Shift 2)

Question

1 mole of PbS is oxidised by X moles of O3 to get Y moles of O2. X+Y=

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Show full solutionCorrect answer: 8
Correct answer
8

Step-by-step explanation

Given that, 1 mole of PbS is oxidised by X moles of O3 to get Y moles of O2.

The balanced chemical equation can be written as,

PbS+4O3→PbSO4+4O2

Here x = 4, y = 4 

Hence,

 X+Y=4+4=8

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About this question

This is a previous-year question from JEE Main 2024, covering the Some Basic Concepts of Chemistry 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.