# Equilibrium constant for the reaction $PC{L}_{5}⇋PC{L}_{3}+C{L}_{2}$ is 0.0205 at 230°C and 1 atmospheric pressure if at equilibrium concentration of $PC{L}_{5}$is 0.235 moles $lite{r}^{-1}$and that of $C{L}_{2}$= 0.028 moles$li{t}^{-1}$ then conc. of $PC{L}_{3}$ at equilibrium is

0.0174

0.174

0.0348

1.74

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