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प्रश्न
Which one will liberate Br2 from KBr?
विकल्प
H2
I2
Cl2
SO2
MCQ
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उत्तर
Cl2
Explanation:
Chlorine (Cl2) is more reactive than bromine (Br2) and lies above it in the halogen reactivity series. Therefore, chlorine can displace bromine from potassium bromide solution.
\[\ce{Cl2 + 2KBr -> 2KCl + Br2}\]
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