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At a given temperature, Kc is 4 for the ...

At a given temperature, Kc is 4 for the reaction:
`H_2(g)+CO_2(g) ⇔H_2O(g)+CO(g)`.Initially 0.6 moles each of` H_2` and `CO_2` are taken in 1 liter flask. The equilibrium concentration of `H_2O(g)` is :

A

0.4 M

B

0.46 M

C

0.2 M

D

0.8 M

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The correct Answer is:
A
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