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Discuss the formation of MgO....

Discuss the formation of MgO.

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ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SHORT ANSWER TYPE QUESTIONS
  1. Why is ionic bond regarded as an extreme case of a polar covalent bond...

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  2. Define bond energy. On what factors does it depend?

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  3. Discuss the formation of MgO.

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  4. Discuss the factors which govern the formation of an ionic bond.

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  5. What do you understand by variable electrovalency? Give atleast two ex...

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  6. What is inert pair effect? How does it account for the variable electr...

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  7. What is Born-Haber cycle? Explain with an example.

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  8. What are the factors which favour the formation of a covalent bond? Ex...

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  9. What do you understand by variable electrovalency? Give atleast two ex...

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  10. What are Sidgwick's views regarding the failure of the octet rule?

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  11. State and explain Fajan's rules.

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  12. Define dipole moment. How is it related to the molecular structure?

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  13. Write the resonating structures of O3 and CO2.

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  14. What is lattice energy and how is it related to the stability of an io...

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  15. Why do covalent compounds exhibit stereoisomerism?

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  16. On the basis of VSEPR theory explain why BeCl2 molecule is linear wher...

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  17. What type of forces come into action when two atoms approach each othe...

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  18. Discuss how the valence bond theory explains the pyramidal shape of NH...

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  19. Give two differences between a sigma bond and a pi bond.""^(**"**)

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  20. Draw the shapes of sp^3 , sp^2 and sp hybrid orbitals.

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