Questions

Which one of the following is not prepared from halide by chemical oxidation process

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Cl2

Br2

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detailed solution

Correct option is A

F2 + 2KX → 2KF + X2Oxidizing power of F2 > Cl2 > Br2 > I2No other halogen can oxidize F- to F2In fact strongest oxidizing agent is F2 (after perxenic acid)So it is not possible to prapare F2 by Oxidation of F-.It is prepared by electrolytic oxidation of ion using fused KHF2

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