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The equilibrium concentration of x, y an...

The equilibrium concentration of x, y and z are `4, 2` and `2` mol `L^(-1)`, respectively, at equilibrium of the reaction `2x+y hArr z`. The value of `K_(c)` is ……………..

A

0.625

B

0.0625

C

6.25

D

0.0065

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The correct Answer is:
B
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