2 NaBr + Cl₂ → 2 NaCl + Br₂Br₂ + I₂ → 2 IBr2 HI + IBr → 2 HBr + I₂2 HBr + AgNO₃ → 2 AgBr + 2 HNO₃2 AgBr + I₂ → 2 AgI + Br₂
2 NaBr + Cl₂ → 2 NaCl + Br₂
Br₂ + I₂ → 2 IBr
2 HI + IBr → 2 HBr + I₂
2 HBr + AgNO₃ → 2 AgBr + 2 HNO₃
2 AgBr + I₂ → 2 AgI + Br₂