In the reaction `X(g) + Y(g)harr2Z(g)`, 2 mole of X, 1 mole of Y and 1 mole of Z are placed in a 10 litre vessel and allowed to reach equilibrium. If final concentration of Z is 0.2 M, then `K_c` for the given reaction is:

Options

A. 1.6
B. `80/3`
C. `16/3`
D. None of these

Answer

C