Bromine is liberated when an aqueous solution of potassium bromide is treated with

Cl₂

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I₂

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Dilute H₂SO₄

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SO2

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Solution

The correct option is A
Cl₂

$C l_{2} + 2 K B r \to 2 K C l + B r_{2}$

A more electronegative halogen can displaces less electronegative halogen.

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