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An element A conbines with element B . A...

An element A conbines with element B . An atom of A contains two electrons in its outermost shell
whereas that of B has six electrons iin its outermost shell. Tow electrons are transferred from the atom A to
the atom B
(a) What is the nature of bond between A and B ? (b) What is the electronic structure of AB ?
(c) What is the electrovalency of a and that of B ?

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PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Explain the term electrovalency.

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  2. What is an electrovalent bond (or ionic bond) ? Explain its formation...

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  3. An element A conbines with element B . An atom of A contains two elect...

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  4. Briefly explain the factors which influence the formation of ionic com...

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  5. Define Lattice energy . On what factors does it depend ? How does it h...

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  6. What are the important characteristice of ionic compounds ?

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  7. NaCl is a better conductorof elelctricity in a molten condition than i...

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  8. Given reason for the following : (i) Ionic compounds are soluble i...

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  9. What is meant by a covalent bond ? Explain with three suitable example...

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  10. Explain the term covalency .

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  11. What are Lewis structures ? Wrtie the Lewis structures of H(2) , F(2) ...

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  12. How is the formal charge on an atom in molecule/ion calculated ? Expl...

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  13. Illustrate the indadequacy of octet rule with two suitable examples. G...

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  14. predict the shapes of the following molecules using the valence shell ...

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  15. What happens when two hydrogen atoms approach each other ?

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  16. Briefly discuss the orbital concept of covalent bond formation taking...

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  17. What is valence bond approach of covalent bond ? Given two examples t...

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  18. Differentiate between sigma and pi bond .

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  19. Explain how the strength of a bond is related to (i) extent of overlap...

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  20. What are sigma and pi bonds ? Explain the different ways of their form...

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