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11th Class Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank 11th CBSE Chemistry Chemical Bonding and Molecular Structure

  • question_answer
    Why \[KH{{F}_{2}}\] exists but \[KHC{{l}_{2}}\] does not?

    Answer:

                    Due to H-bonding in HF, we have\[H-F\text{------}H-F\text{------}H-F\text{------}\] This can dissociate to give \[HF_{2}^{-}\] ion and hence \[KH{{F}_{2}}\]exists but there is no H-bonding in \[H-Cl\]. So \[HCl_{2}^{-}\] ion does not exist and hence \[KHC{{l}_{2}}\] also does not exist.


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