P-Block Elements Ques 148
Question: Which one will liberate $ Br_2 $ from KBr
[BVP 2003]
Options:
A) $ I_2 $
B) $ SO_2 $
C) HI
D) $ Cl_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
$2KBr+Cl_2→2KCl+Br_2$The reaction is based on the fact that $Cl_2$ has greater oxidizing power than $Br_2$ and therefore can oxidize Br from KBr.