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HF(2)^(-) ion exists but HB r(2)^(-) ion...

`HF_(2)^(-)` ion exists but `HB r_(2)^(-)` ion does not. Explain.

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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SOLVED WBCHSE SCANNER
  1. Identify polar and non-polar molecules from the following: Cl(2),CHCl(...

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  2. Define coordination number.

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  3. HF(2)^(-) ion exists but HB r(2)^(-) ion does not. Explain.

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  4. X is the central atom of X O(2) molecule. If dipole moment of the mole...

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  5. Arrange the following compounds in increasing order of boiling point: ...

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  6. Arrange the following molecules in increasing order of number of lone ...

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  7. Mention the state of hybridisation of the central atom of the followin...

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  8. Mention the nature of bonding of the following molecules/ions, CaH(2),...

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  9. Dimethyl ether and ethanol have same molecular weight, but their volat...

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  10. Between N(2)O and NO(2) molecules, which one is more polar explain?

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  11. Arrange the following ions in the increasing order of their ionic radi...

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  12. Arrange the following molecules in increasing order of their dipole mo...

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  13. how many (sigma) and (pi) bonds are present in buta-1,3-diyne?

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  14. What are the different types of bonds present in ammonium bromide mole...

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  15. Draw the resonating structures of sulphate ion.

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  16. (i) Define coordination number. (ii) Carbon dioxide and sulphur diox...

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  17. (i) Which of H(2)O or H(2)S molecules has a greater bond angle? Explai...

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  18. Which of the following is not paramagnetic-

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  19. Which bond among the following is least ionic-

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  20. (i) When hydrogen combines with oxygen, a polar covalent produce is fo...

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