Question

Which will liberate bromine from a solution of potassium bromide?

A

B

C

D

Medium
Solution
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Correct option is B)

Chlorine is more reactive than bromine and it displaces bromine.
If chlorine is added to a solution of potassium bromide, the bromine is replaced by the chlorine forming potassium chloride. Bromine is formed at the same time and can be detected by its colour.

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