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Why do covalent molecules have definite ...

Why do covalent molecules have definite geometries ?

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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -COVALENT AND CO-ORDINATE BONDS
  1. What are SI units of dipole moment?

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  2. Which type of elements take part in the bond formation ?

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  3. Why do covalent molecules have definite geometries ?

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  4. Give the shapes associated with the following molecules (i)AB(3)(ii)...

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  5. Presence of a lone pair of electrons distrots the geometry of a covale...

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  6. Bond angle in NH(3) is more than in H(2)O. Discuss

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  7. Define hybridisation. Explain sp^(2) hybridisation with suitable examp...

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  8. Draw the resonating structures fo CO(2) molecule.

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  9. Arrange H(2)O,NH(3) and CH(4) molecules in decreasing order of bond an...

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  10. How will you differentiate between covalent and coordinate bonds?

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  11. Which of the following has larger bond angle in each pair ? (i)CO(2)...

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  12. Indicate whether the following statement is true or false. Justify you...

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  13. Sodium metal vapprises on heating and the vapours have diatomic molecu...

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  14. Which of the following has maximum bond angle ? H(2)O,NH(3),CO(2),CH...

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  15. Why do covalent molecules have definite geometries ?

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  16. (a) What is depoole moment ? (b) What are the units of dipole moment...

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  17. (a) Explain sigma and pi bonds with suitable examples, (b) A pi bond...

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  18. Define hybridisation. What are the characteristics of hybridisation ?

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  19. Discuss the orital stuctures of the following molecules on the basis o...

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  20. What is the major difference between valence bond molecular orbital th...

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