In the reaction 2Br^- + X_2 to Br_2 + 2X^-,X_ | vedclass

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Question

(A) The given reaction is a displacement reaction where a more electronegative halogen displaces a less electronegative halogen from its salt solution

Vedclass · Accepted Answer

$Cl_2$

Vedclass · Answer

(A) The given reaction is a displacement reaction where a more electronegative halogen displaces a less electronegative halogen from its salt solution. According to the reactivity series of halogens,$F_2 > Cl_2 > Br_2 > I_2$. Chlorine $(Cl_2)$ is more electronegative than Bromine $(Br_2)$,so it can displace Bromide ions $(Br^-)$ to form Bromine $(Br_2)$. Therefore,$X_2$ must be $Cl_2$.

In the reaction $2Br^- + X_2 \to Br_2 + 2X^-$,$X_2$ is .......

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