JEE Main 2026 — Some Basic Concepts of Chemistry Question with Solution
JEE Main 2026 (05 April Shift 2)
Question
What volume of hydrogen gas at STP would be liberated by action of of of purity (density ) on of zinc ?
Given : Molar mass of H, O, S, Zn are respectively.
Given : Molar mass of H, O, S, Zn are respectively.
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Mass of solution
Mass of pure
Moles of
Moles of
The balanced chemical equation is:
Since the moles of are less than the moles of , is the limiting reagent.
Moles of produced Moles of
Volume of gas at STP
Answer:
Mass of pure
Moles of
Moles of
The balanced chemical equation is:
Since the moles of are less than the moles of , is the limiting reagent.
Moles of produced Moles of
Volume of gas at STP
Answer:
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This is a previous-year question from JEE Main 2026, 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.