Chemistry · 2025
JEE Main · 3 April 2025, Shift 2 · Q64
In Dumas' method for estimation of nitrogen 0.4 g of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg…
In Dumas' method for estimation of nitrogen $\displaystyle 0.4$ g of an organic compound gave $\displaystyle 60$ mL of nitrogen collected at $\displaystyle 300$ K temperature and $\displaystyle 715$ mm Hg pressure. The percentage composition of nitrogen in the compound is
(Given : Aqueous tension at $\displaystyle 300 \mathrm{~K}=15 \mathrm{~mm} \mathrm{Hg}$ )
Official answer
From NTA’s final answer key for this paper.
(2)
15.$\displaystyle 71$ %
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.