Chemistry · 2019
JEE Main · 9 January 2019, Shift 1 · Q52
5 moles of gas A and x moles of gas B exert a pressure of 200 Pa in a container of volume 10 m^3 at 1000 K. Given R is the gas constant in JK^-1…
$\displaystyle 5$ moles of gas A and $\displaystyle x$ moles of gas B exert a pressure of $\displaystyle 200$ Pa in a container of volume $\displaystyle 10 \mathrm{~m}^3$ at $\displaystyle 1000$ K . Given R is the gas constant in $\displaystyle \mathrm{JK}^{-1} \mathrm{~mol}^{-1}, x$ is :
Official answer
(1)
$\displaystyle \frac{4-R}{2 R}$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.