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

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+1 vote
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in Chemistry by (71.3k points)

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

(A) Cl 

(B) I2 

(C) Dilute H2 SO4 

(D) SO2

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1 Answer

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Best answer

(A) Cl 

Cl2 + 2KBr → 2KCl + Br2

A more electronegative halogen can displace less acid because of lowest bond dissociation Energy

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