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Why KHF2 exist but KHCl 2 …

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Why KHF2 exist but KHCl 2 does not?
  • 1 answers

Sia ? 6 years, 4 months ago

Due to the presence of hydrogen bonding in HF, the structure is converted to, 

This can dissociate to give {tex} \mathrm{HF}_{2}^{-} {/tex} ion.
If we add K+ to {tex} \mathrm{HF}_{2}^{-} {/tex} ion, we get KHF2.
Due to the absence of hydrogen bonding in HCl, {tex} \mathrm{HCl}_{2}^{-} {/tex} ion is not formed.
Hence, KHCI2 does not exist.
Therefore, KHF2 exists but KHCl2 does not exist.

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