Which of the following reactions is correct for a given electrochemical cell at $25^{\circ} C$ ?
$Pt | Br_{2(g)} | Br_{(aq)}^{-} || Cl_{(aq)}^{-} | Cl_{2(g)} | Pt$

• A
  $2Br_{(aq)}^{-} + Cl_{2(g)} \rightarrow Br_{2(g)} + 2Cl_{(aq)}^{-}$
• B
  $Br_{2(g)} + 2Cl_{(aq)}^{-} \rightarrow 2Br_{(aq)}^{-} + Cl_{2(g)}$
• C
  $Br_{2(g)} + Cl_{2(g)} \rightarrow 2Br_{(aq)}^{-} + 2Cl_{(aq)}^{-}$
• D
  $2Br_{(aq)}^{-} + 2Cl_{(aq)}^{-} \rightarrow Br_{2(g)} + Cl_{2(g)}$