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:

  1. (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^{-} $



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