The value of equilibrium constant of the reaction HI(g) $\rightleftharpoons$ ${1 \over 2}$H2(g) + ${1 \over 2}$I2(g) is 8.0. The The equilibrium constant of the reaction H2(g) + I2(g) $\rightleftharpoons$ 2HI(g) will be

Question

The value of equilibrium constant of the reaction
HI_(g) $\rightleftharpoons$ ${1 \over 2}$H_2(g) + ${1 \over 2}$I_2(g)
is 8.0. The The equilibrium constant of the reaction
H_2(g) + I_2(g) $\rightleftharpoons$ 2HI_(g) will be