The P Block Elements - Result Question 86
####89. In the manufacture of bromine from sea water, the mother liquor containing bromides is treated with
[1992]
(a) Carbon dioxide
(b) Chlorine
(c) Iodine
(d) Sulphur dioxide
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Solution:
- (b) Bromide in the mother liquor is oxidised to
$Br_2$ by $Cl_2$ which is a stronger oxidising agent.
$ 2 Br^{-}+Cl_2 \to Br_2+2 Cl^{-} $