Br_2 + 2X^{-} to 2Br^{-} + X_2Cl_2 + 2Y^{-} t | vedclass

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(C) The reactivity of halogens decreases down the group $(F_2 > Cl_2 > Br_2 > I_2)$.In the reaction $Br_2 + 2X^{-} 	o 2Br^{-} + X_2$,$Br_2$ can oxidi

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$X_2 = Cl_2$

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(C) The reactivity of halogens decreases down the group $(F_2 > Cl_2 > Br_2 > I_2)$.In the reaction $Br_2 + 2X^{-} 	o 2Br^{-} + X_2$,$Br_2$ can oxidize $I^{-}$ to $I_2$ because $I$ is below $Br$ in the group. Thus,$X_2$ can be $I_2$.In the reaction $Cl_2 + 2Y^{-} 	o 2Cl^{-} + Y_2$,$Cl_2$ can oxidize $Br^{-}$ to $Br_2$ or $I^{-}$ to $I_2$. Thus,$Y_2$ can be $Br_2$ or $I_2$.Option $C$ states $X_2 = Cl_2$. However,$Br_2$ cannot oxidize $Cl^{-}$ to $Cl_2$ because $Cl$ is more electronegative and a stronger oxidizing agent than $Br$. Therefore,this reaction is not possible.

$Br_2 + 2X^{-} \to 2Br^{-} + X_2$
$Cl_2 + 2Y^{-} \to 2Cl^{-} + Y_2$
The incorrect match regarding the above reactions is:

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$Br_2 + 2X^{-} \to 2Br^{-} + X_2$$Cl_2 + 2Y^{-} \to 2Cl^{-} + Y_2$The incorrect match regarding the above reactions is: