Chemistry · 2018
JEE Main · 15 April 2018, Shift 2 · Q38
At a certain temperature in a 5 L vessel, 2 moles of carbon monoxide and 3 moles of chlorine were allowed to reach equilibrium according to the…
At a certain temperature in a $\displaystyle 5$ L vessel, $\displaystyle 2$ moles of carbon monoxide and $\displaystyle 3$ moles of chlorine were allowed to reach equilibrium according to the reaction,
$$\mathrm{CO}+\mathrm{Cl}_2 \rightleftharpoons \mathrm{COCl}_2
$$
At equilibrium, if one mole of CO is present then equilibrium constant $\displaystyle \left(\mathrm{K}_{\mathrm{c}}\right)$ for the reaction is :
Official answer
(2)
$\displaystyle 2.5$
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JEE Main 2018 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.