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Briefly describe the valence bond theory...

Briefly describe the valence bond theory of covalent bond formation by taking an example of hydrogen. How can you interpret energy changes taking place in the formation of dihydrogen?

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For answer, consult section 4.17.
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -BORD EXAMINATIONS
  1. (I) Discuss the significance/applications of dipole moment. (ii) Rep...

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  2. Use the molecular orbital energy level diagram to show that N(2) would...

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  3. Briefly describe the valence bond theory of covalent bond formation by...

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  4. Describe hybridisation in the case of PCl(5) and SF(6) The axial bonds...

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  5. Discuss the concept of hybridisation. What are its different types in ...

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  6. What is the type of hybridisation of carbon atoms marked with star. ...

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  7. A molecule of H(2) exist while that of the He(2) does not. Explain.

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  8. NaCl and AgNO(3) are ionic solids and they readily dissodciate to from...

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  9. BeF(2) and H(2)O are both tri-atomic molecules but have different shap...

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  10. Bond angle in NH(3) is molre than in PH(3). Explain.

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  11. Why is HCl predominantly covalent in the gaseous state but is ionic in...

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  12. Can a non-polar molecule have polar covalent bonds?

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

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  14. PCl(5) exists but NCl(5) does not because

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  15. o- nitrophenol is steam volatile while p-nitrophenol is not. Discuss.

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  16. KHF(2) exists while KHCl(2) does not. Explain.

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  17. Yor are given the electronic configuration of five neural atoms -A,B,C...

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  18. Boiling point of ethane is more than that of methane. Assign reason.

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  19. Which comopound from each of the following pairs ismore covalent and w...

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  20. The bond angles in NH(4)^(+) and CH(4) are same but NH(3) has differen...

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