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Why does a covalent bond develops a part...

Why does a covalent bond develops a partial ionic character when the electronegativities of the combining atoms are different ?

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PATHFINDER-CHEMICAL BONDING-QUESTION BANK
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  4. What are Fajan's Rule ?

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  6. The observed dipole moment (mu) of HBr molecule is 0.79 D and bond dis...

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  7. What is LCAO method ? How does it lead to the concept of bonding and a...

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  8. What are the main points of difference between bonding and anti bondin...

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  9. The dipole moment of HCl is 1.03 D If H-Cl bond distance is 1.26 A, ...

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  10. If the electronegativity difference between two atoms A and B is 2.0, ...

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  11. What is the hybridization of the central atom in ICl2^+ ?

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  12. Why is solid NaCl a bad conductor of electricity ?

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  13. Explain : CO2 and N2O is polar while CO2 is non-polar ?

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  14. Explain : NF3 and NH3 both are tetrahedral, yet NH3 is more polar th...

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  15. Explain : NF3 and BF3 both tetra atomic BF3 is nonpolar but NF3 is p...

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  16. Explain : HCOOH and C2H6OH having same molecular weight, yet boiling...

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  19. Account for the following : BCl3 exist as monomer, but AlCl3 exist a...

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