At a certain temperture in a 5L vessel 2 moles of carbon monoxide and 3 moles of chlorine were allowed to reach equilibrium according to the reaction
`CO+CI_(2) rarr COCI_(2)`
at equlibrium if one mole of CO is present then equilibrium constant `(k_(c ))` for the reaction is :

Options

A. 2
B. 2.5
C. `3.0`
D. 4

Answer

B