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At a certain temperature in a 5 L vessel...

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 reaction,`CO + Cl_(2) rarr COCl_(2)`
At equilibrium, if one mole of CO is present then equilibrium constant (Kc) for the reaction is :

A

2

B

2.5

C

`3.0`

D

4

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The correct Answer is:
B
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