A sample of 0.125 ~g of an organic compound when analyzed by Duma's method yields 22.78 ~mL of nitrogen gas collected over KOH solution at 280 ~K and 759 ~mm Hg. The percentage of nitrogen in the given organic compound is _ _ _ _ _. (Nearest integer) Given: (a) The vapour pressure of water of 280 ~K is 14.2 ~mm Hg. (b) R=0.082 ~L atm K⁻¹ ~mol⁻¹

Principles Related to Practical Chemistry: JEE Main 2022 Chemistry question

JEE Main 2022 · 28 Jul, Evening shift · Q10

JEE Main 202228 Jul, Evening shiftChemistryHardPrinciples Related to Practical Chemistry54× since 2004

A sample of

0.125 \mathrm{~g}

of an organic compound when analyzed by Duma's method yields

22.78 \mathrm{~mL}

of nitrogen gas collected over

\mathrm{KOH}

solution at

280 \mathrm{~K}

and

759 \mathrm{~mm}\, \mathrm{Hg}

. The percentage of nitrogen in the given organic compound is __________. (Nearest integer) Given : (a) The vapour pressure of water of

280 \mathrm{~K}

14.2 \mathrm{~mm} \,\mathrm{Hg}

. (b)

\mathrm{R}=0.082 \mathrm{~L}

atm

\mathrm{K}^{-1} \mathrm{~mol}^{-1}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Principles Related to Practical Chemistry Question with Answer (28 Jul Evening shift, Q10) | JEE Arc