If Kc for H2(g)+I2(g)→2HI(g) is 50, then Kc for HI(g) 12H2+12I2 is
150
√50
√150
√25
H2(g) + l2(g) → 2Hl(g) K1
12H2(g) + 12I2(g) → Hl(g) K2
K2=1√K1=1√50