1. Tardigrade
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  3. Chemistry
  4. KF combines with HF to form KHF2. The compound contains the species

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Q. $KF$ combines with $HF$ to form $KHF_2.$ The compound contains the species

IIT JEEIIT JEE 1996The p-Block Elements - Part2

Solution:

The fluoride ion, by a process of hydrogen bonding, forms the anion, $HF _{2}^{-}$. The compound is written as $K ^{+}\left[ HF _{2}\right]^{-}$.