If for H2(g) + 12 S2(g) ⇌ H2S(g) and H2(g) + Br2(g) ⇌ 2HBr(g)The equilibrium constants are K1 and K2 respectively, the reactionBr2(g) + H2S(g)  ⇌ 2HBr(g) +12 S2(g) would have equilibrium constant