JEE Main 2025 — Redox Reactions Question with Solution
JEE Main 2025 (22 Jan Shift 1)
Question
Some gas was kept in a sealed container at a pressure of 1 atm and at 273 K . This entire amount of gas was later passed through an aqueous solution of . The excess unreacted was later neutralized with 0.1 M of 40 mL HCl . If the volume of the sealed container of was , then is ________ (nearest integer).
[Given : The entire amount of reacted with exactly half the initial amount of present in the aqueous solution.]
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Show full solutionCorrect answer: 45
Correct answer
45
Step-by-step explanation
Let moles of moles of total initially excess gm equivalent of equivalent of HCl
$\begin{aligned}
& \mathrm{n} \times 2=0.1 \times \frac{40}{1000} \times 1 \\
& \mathrm{n}=2 \times 10^{-3}
\end{aligned}$
Volume of
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This is a previous-year question from JEE Main 2025, covering the Redox Reactions 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.