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Hydrogen bonds are formed in many compou...

Hydrogen bonds are formed in many compounds e.g. `H_(2)O`, HF, `NH_(3)`. The boiling point of such compounds depends to a extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct decreasing order of the boiling points above compounds is

A

`HF gt H_(2)O gt NH_(3)`

B

`N_(2)O gt HF gt NH_(3)`

C

`NH_(3) gt HF gt H_(2)O`

D

`NH_(3) gt H_(2)O gt HF`

Text Solution

Verified by Experts

The correct Answer is:
B
`H_(2)O(373K)gt HF(293K)NH_(2)(238.5K)`
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -MULTIPLE CHOICE QUESTIONS (TYPE -1)
  1. Polarity in a molecule and hence the dipole moment depends primarily o...

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  2. The types of hybrid orbitals of nitrogen in NO(2)^(+), NO(3)^(+) and N...

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  3. Hydrogen bonds are formed in many compounds e.g. H(2)O, HF, NH(3). The...

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  4. In PO(4)^(3-) ion the formal charge on the oxygen atom of P-O bond is

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  5. In NO(3)^(-) ion, the number of bond pair and lone pair of electrons o...

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  6. Which of the following species does not have tetraahedral geometry ?

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  7. Number of pi bonds and sigma bonds in the following structure is

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  8. Which molecule/ion out of the following does not contain unpaired elec...

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  9. In which of the following substances will hydrogen bond be strongest ?

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  10. In which of the following substances will hydrogen bond be strongest?

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  11. If the electronic configuration of an element is 1s^(2)2s^(2)2p^(2)3s^...

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  12. Which of the folowing angles corresponds to sp^(2) hybridisation ?

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  13. Stable from of A may be represented by the formula :

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  14. Stable from of C may be represented by the formula :

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  15. The molecular formula of the compound formed from B and C will be :

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  16. The bond between B and C will be

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  17. Which of the following orderof energies of molecular orbitals of N(2) ...

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  18. Which of the following statement is not correct from the view point of...

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  19. Which of the following options represents the correct bond order? Th...

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  20. The electronic configuration of the outer most shell of the most elect...

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