JEE Main 2025 — Some Basic Concepts Of Chemistry Question with Solution
From: JEE Main 2025 (Online) 8th April Evening Shift
Question
On combustion 0.210 g of an organic compound containing C, H and O gave 0.127 g H2O and 0.307 g CO2. The percentages of hydrogen and oxygen in the given organic compound respectively are:
Choose an option
Show full solutionCorrect option: B
6.72, 53.41
Step-by-step explanation
In the combustion of organic compound, all "C" in and all " H " in comes from organic compound

Weight of " C " in
Weight of " H " in
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This is a previous-year question from JEE Main 2025, 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.