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  4. A solution of potassium bromide is treated with each of the following. Which one would liberate bromine ?

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Q. A solution of potassium bromide is treated with each of the following. Which one would liberate bromine ?

AIPMTAIPMT 1993The p-Block Elements - Part2

Solution:

Chlorine is good oxidising agent than bromine, so, $Cl_2$ oxidise $Br^-$ to bromine.
$ \, \, \, \, \, \, \, 2KBr \, + \, CI_2 \, \longrightarrow 2KCI \, + \, Br_2$