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Differentiate between VB theory and Lewi...

Differentiate between `VB` theory and Lewis concept.

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a. According to `VB` theory, a covalent bond is formed by the overlap of half-filled atomic orbitals containing electrons with opposite spin whereas according to Lewis concept, a covalent bond is formed by mutual sharing of electrons.
b. Lewis concept does not explain the shapes of molecules whereas `VB` theory explains.
c. Lewis concept does not explain the strength of bonds whereas `VB` theory explains.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. what is a sigma and a pi bond.

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  2. Which of the following molecule/molecules have zero dipole moment? C...

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  3. Differentiate between VB theory and Lewis concept.

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  4. What orbitals can overlap to form a sigma-bond and which orbitals can...

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  5. Write the important conditions required for the linear combination of ...

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  6. Answer the following: a. Which electron takes part in bond formation...

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  7. Out of the following, select the compounds containing ionic, covalent ...

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  8. What are the conditions which must be satisfied for H-bonding to take ...

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  9. What happens to the probability of finding an electron in the MO's aft...

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  10. What are SI units of dipole moment?

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  11. Out of CS(2) and OCS which have higher dipole moment and why?

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  12. How do you express the bond strength in terms of bond order?

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  13. Is pi-MO weaker or stronger than sigma-MO?

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  14. The hybridization of carbon atoms in fullerene molecule is :

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  15. With what molecule is CO isoelectronic?

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  16. What is the effect of the following processes on the bond order in N(2...

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  17. The magnetic moment of KO(2) at room temperature is ---------- BM.

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  18. On the basis of VSEPR theory, predict the shapes of the following mole...

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

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  20. Why molbilities of H^(o+) ions in ice is greater as compared to liquid...

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