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KHF(2) exists while KHCl(2) does not. Ex...

`KHF_(2)` exists while `KHCl_(2)` does not. Explain.

Text Solution

Verified by Experts

Due to hydrogen bonding in `HF` as :
`H-F….H-F….H-F……`
it can exist as `HF_(2)^(-)` ion and therefore forms `KHF_(2)`.
But there is no hydrogen bonding in HCl and it cannot form `HCl_(2)^(-)` ion.
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MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-Revision Exercises (Objective Questions)(Very Short Answer Questions)
  1. How is paramagnetic character of a compound related to the number of u...

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  2. Which out of H(2)^(-) and H(2)^(+) is more stable and why?

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  3. Which d - orbitals are involved in sp^(3)d^(2) hybridisation in SF(6)?

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  4. Write the molecular orbital configuration of a molecule having bond or...

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  5. Which out of O(2)^(+) and O(2)^(-) is more stable?

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  6. Arrange the following molecular species in order of increasing stabili...

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  7. What is the shape of SF(6) molecule?

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  8. Give one example of a molecule involving sp^(3)d^(2) hybridisation.

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  9. Although chlorine has the same electronegativity as nitrogen, it does ...

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  10. Why does formic acid exist as dimer?

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  11. KHF(2) exists while KHCl(2) does not. Explain.

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  12. State the type of hybrid orbitals associated with (i) P in PCl(5) and ...

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  13. Which out of O(2)^(-)and O(2)^(2-) has higher bond order and why ?

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  14. What is the effect of the following ionization processes on the bond o...

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  15. What is the effect on the interatomic bond length of the following ion...

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  16. Which one of the following has higher bond order? N(2), N(2)^(+) or ...

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  17. Draw a diagram showing the formation of bonding and anti - bonding mol...

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  18. Out of water and ice which has lesser density?

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  19. Do N(2)^(+) and O(2)^(+) have same bond order?

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  20. Define the bond length.

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