JEE Main 2021ChemistryChemical EquilibriumHardNumerical

JEE Main 2021 — Chemical Equilibrium Question with Solution

JEE Main 2021 (26 Aug Shift 2)

Question

In the sulphur estimation, 0.471 g of an organic compound gave 1.44 g of barium sulfate. The percentage of sulphur in the compound is. (Nearest integer) (Atomic Mass of Ba=137u )

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Show full solutionCorrect answer: 42
Correct answer
42

Step-by-step explanation

233 g of BaSO4 contains 32 g sulphur.

Amount of S in 1.44 g of BaSO4=32233×1.44

So percentage of S in 0.471 of organic compound =32233×1.440.471×100=42%

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About this question

This is a previous-year question from JEE Main 2021, covering the Chemical Equilibrium 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.