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Electrolytic Refining

How is fluori...

Question

How is fluorine $(F_{2})$ prepared by Whytlaw-Gray method? Draw a diagram

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Solution

Electrolysis of fused potassium hydrogen fluoride $K H F_{2}$ is carried out in electrically heated copper cell which also acts as cathode. Graphite anode is used. Fluorine is obtained at anode. Hydrogen is obtained at cathode.

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