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Practical Organic Chemistry question

2022 · 28 Jul · Shift 2 · Q18
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Practical Organic Chemistry question

2022 · 28 Jul · Shift 2 · Q18

JEE MainChemistryPractical Organic ChemistryNumerical+4 / −1
A sample of 0.125 g0.125 \mathrm{~g}0.125 g of an organic compound when analyzed by Duma's method yields 22.78 mL22.78 \mathrm{~mL}22.78 mL of nitrogen gas collected over KOH\mathrm{KOH}KOH solution at 280 K280 \mathrm{~K}280 K and 759 mm Hg759 \mathrm{~mm}\, \mathrm{Hg}759 mmHg. The percentage of nitrogen in the given organic compound is ‾\underline{\hspace{2cm}}​. (Nearest integer) Given : (a) The vapour pressure of water of 280 K280 \mathrm{~K}280 K is 14.2 mm Hg14.2 \mathrm{~mm} \,\mathrm{Hg}14.2 mmHg. (b) R=0.082 L\mathrm{R}=0.082 \mathrm{~L}R=0.082 L atm K−1 mol−1\mathrm{K}^{-1} \mathrm{~mol}^{-1}K−1 mol−1
Numerical answer
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