Q. In the manufacture of bromine from sea water, the mother liquor containing bromide is treated with
A) Carbon dioxide
B) Chlorine
C) Iodine
D) Sulphur dioxide
Explanation
(b)
Cl_{2} being a stronger oxidizing agent, oxidises bromide present in the mother liquor to Br_{2.}
$2Br^{-}\ \ \ \ \ \ \ \ + Cl_{2}\ \ \ \ \ \ \ \ \ \ \longrightarrow Br_{2}\ \ \ \ \ \ \ + 2Cl^{-}$
^{from mother liquor bromide}
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.