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  4. When chlorine gas is passed through an aqueous solution of KBr, the solution turns orange brown due to the formation of

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Q. When chlorine gas is passed through an aqueous solution of $KBr$, the solution turns orange brown due to the formation of

KVPYKVPY 2011

Solution:

When chlorine gas is passed through an aqueous solution of $KBr$, the solution turns orange brown due to the evolution of bromine gas. The equation for the above reaction can be written as
$Cl _{2}+2 KBr \longrightarrow \underset{\text { Orange brown }}{2 KCl }+ Br _{2} \uparrow$