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Reactivity of Lanthanides

KF combines w...

Question

KF combines with HF to form $K H F_{2}$ . The compound contains the species

A

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B

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C

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D

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Solution

The correct option is C
$K H F_{2} \to K^{+} + H F_{2}^{-}, H F_{2}^{-} i o n e x i s t d u e t o H - b o n d b e t w e e n {[H - F - - - - H]}^{-}$

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