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______ is prepared by the electrolysis of molten KHF_2 and anh

Question

______ is prepared by the electrolysis of molten $KH F_{2}$ and anhydrous $H F$ .

H_{2}

Solid

K

F_{2}

none of the above

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Alexander Discussed

______ is prepared by the electrolysis of molten

KH F_{2}

and anhydrous

H F

11 mins ago

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11 mins ago

Text solutionVerified

Moissan in 1896 prepared

F_{2}

as :

KH F_{2} ⇌ K F + H F

K F ⇌ K^{\oplus} + F^{⊖}

At anode :

2 F^{⊖} \to F_{2} + 2 e^{-}

At cathode :

K^{\oplus} + e^{-} \to K

K + 2 H F \to 2 K F + F_{2}

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Question Text	______ is prepared by the electrolysis of molten $KH F_{2}$ and anhydrous $H F$ .
Answer Type	Text solution:1
Upvotes	150