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Explain why : NH3 has a bond angle eq...

Explain why :
`NH_3` has a bond angle equal to `107^@ ?`

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ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-REVIEW EXERCISES
  1. On the basis of VSEPR theory, predict the shapes of the following mole...

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  2. Which of the following molecules possess a triangular planar geometry?...

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  3. Explain why : NH3 has a bond angle equal to 107^@ ?

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  4. Explain why : Lone pair-lone pair repulsion is more than the bond p...

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  5. Explain why : H2 O molecule is not linear although it is of the typ...

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  6. On the basis of VSEPR theory predict the bond angles in the following ...

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  7. Compare the H-N-H bond angle in the following species. NH3, NH(4)...

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  8. Why is the potential energy of the system minimum at the stage of form...

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  9. Discuss the formation of H2 molecule on the basis of Valence-bond theo...

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  10. What do you understand by overlapping of orbitals? Discuss the overlap...

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  11. What is meant by sigma and pi it bonds? Compare their characteristics.

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  12. Describe the formation of HF and NH3 molecules on the basis of valence...

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  13. Explain why He2 molecule does not exist.

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  14. Describe the formation of H2 O molecule on the basis of valence bond t...

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  15. What are the limitations of valence bond theory?

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  16. Sketch the shapes of the molecular orbitals formed by the overlap of (...

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  17. Explain bonding and antibonding molecular orbitals.

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  18. Compare atomic orbitals with molecular orbitals.

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  19. What is bond order? How is it related to bond length and bond dissocia...

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  20. Why are the bond orders in He(2)^(+) and He identical?

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