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On heating NaX with H(2)SO(4) and MnO(2)...

On heating `NaX` with `H_(2)SO_(4)` and `MnO_(2)` the halogen that cannot be prepared is

A

`I_2`

B

`F_2`

C

`Cl_2`

D

`Br_2`

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The correct Answer is:
B
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