1.

Assertion : The only way to get F_(2) form F^(-) is to oxidise electrolytically. Reason : The recovery of halogens from their halides requires an oxidation process.

Answer»

If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.

Solution :Chemical means ( OXIDISING agents LIKE `KMnO_(4), K_(2)Cr_(2)O_(7), MnO_(2)`) are available to oxidise `CL^(-)`, `Br^(-)` and `I^(-)`. As fluorine itselt isa strongest oxidising agent, there is no way to convert `F^(-)` to `F_(2)` by chemical means, hence it is oxidised electrolytically.


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