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Define hydrogen bond. Is it weaker or st...

Define hydrogen bond. Is it weaker or stronger than vander Waals forces?

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The term van der Waals forces refers to

Hydrogen bond is a weak electrostatic force of attraction between covalently bonded hydrogen and more electronegative species like F,O and N. It play an important role in influencing many physical constants. It is a weaker bond than covalent bond but stronger than vanderWaal forces of attraction. Hydrogen bonding is absent in

Hydrogen bond is a weak electrostatic force of attraction between covalently bonded hydrogen and more electronegative species like F,O and N. It play an important role in influencing many physical constants. It is a weaker bond than covalent bond but stronger than vanderWaal forces of attraction. During the boiling of a liquid, the bonds broken are

Hydrogen bond is a weak electrostatic force of attraction between covalently bonded hydrogen and more electronegative species like F,O and N. It play an important role in influencing many physical constants. It is a weaker bond than covalent bond but stronger than vanderWaal forces of attraction. Chelation is observed in

Hydrogen bond is a weak electrostatic force of attraction between covalently bonded hydrogen and more electronegative species like F,O and N. It play an important role in influencing many physical constants. It is a weaker bond than covalent bond but stronger than vanderWaal forces of attraction. Which of the following can exsist as a hexamer in vapour state ?

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AAKASH SERIES-CHEMICAL BONDING-SUBJECTIVE EXERCISE -3 (Very Short answer questions)
  1. What types of bonds are present in NH4 CI? Write its structure.

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  2. Define hydrogen bond. Is it weaker or stronger than vander Waals force...

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  3. Give reasons for the higher bioling point of H2 O than HF and NH3

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  4. Why o - Nitrophenol is more volatile than p - Nitrophenol.

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  5. Why HCI cannot form hydrogen bond.

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  6. Water is a liquid at room temperature, but not hydrogen sulphide. Why?

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  7. What are the types of bonds present in H3 O^+ and NH(4)^(+)?

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  8. Write any two properties of compounds with dative bond.

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  9. What is bond length? Discuss different factors influencing bond length...

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  10. Distinguish between bond enthalpy and dissociation enthalpy.

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  11. Compare carbon -carbon bond lengths and bond energies by taking ethane...

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  12. What isbond angel? What are the different aspects influence bond angle...

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  13. What are non-polar and polar covalent bonds? Give examples.

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  14. What is dipolemoment? How is it calculated?

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  15. Write the SI unit of dipolement.

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  16. BF3 is non-polar but NH3 is polar. Why?

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  17. Write two applications of dipolemoment.

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  18. cis-1,2-Dehloroethene is polar, but tans-1. 2-dichloroethane is non ...

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  19. A diatomic molecule has a dipole moment 1.2D. If the internuclear dist...

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  20. Dipole moment of HCl is 1.03D. Bond length is 1.27A^@. Calculate the p...

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