JEE Main20257 Apr 2025Evening ShiftChemistryGeneral Organic ChemistryActual
In Dumas' method 292 mg of an organic compound released 50 mL of nitrogen gas ( N ₂ ) at 300 K temperature and 715 mm Hg pressure. The percentage composition of ' N ' in the organic compound is ________ % (Nearest integer) (Aqueous tension at 300 ~K =15 ~mm Hg )
Correct answer
0
Step-by-step solution
aligned & n _ N ₂ = P _ N ₂ ~V RT & n _ N ₂ = 700 760 50 1000 1 0.0821 300 & n _ N =2 n _ N ₂ & Mass of N =2 n _ N 14 & % ~N = mass of N mass of organic compound 100 & % ~N = 700 760 50 1000 2 14 0.0821 300 1000 292 100 & % ~N =18 % aligned