Q. Bromine is liberated when an aqueous solution of $KBr$ is treated with
A) $Dil\ H_{2}SO_{4}$
B) $I_{2}$
C) $Cl_{2}$
D) $SO_{2}$
Explanation
(c)
A more electronegative halogen can displace less electronegative halogen
$Cl_{2} + 2KBr \rightarrow 2KCl + Br_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.