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ELECTRONEGATIVITY & ELECTRON GAIN ENTHAL...

ELECTRONEGATIVITY & ELECTRON GAIN ENTHALPY

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For definition of electronegativity, consult Unit-3. For difference from electron gain enthalpy consult Q. 17 (N.C.E.R.T. Exercise).
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -ADDITIONAL IMPORTANT QUASTIONS
  1. Explain how valence bond theory accounts for (i) a carbon-carbn doub...

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  2. Dary Lewis structures for H(2)CO(3),SF(6),PF(7)and CS(2). Is the octet...

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  3. ELECTRONEGATIVITY & ELECTRON GAIN ENTHALPY

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  4. Arrange the following in order of increasing ionic character : C-H,F...

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  5. Which of the following has larger bond angle in the following pairs ? ...

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  6. Out of intermolecular and intramolecular hydrogen bonding which has an...

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  7. Discuss the shape of CO(2) molecule on the basis of hybridisation.

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  8. Out of the following resonating strictures for CO(2) molecule, which a...

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  9. Why is that in the SF(4) molecule, the lone pair of electrons occupies...

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  10. Differentiate between VB theory and Lewis concept.

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  11. Find out the number of sigma and pi bonds in the following molecules. ...

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  12. Calculate the formula charge on each atom in a underset(* *)overset(* ...

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  13. How many sigma and pi bonds are present in the molecules of toluene an...

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  14. What is the hybridisatio carbon atoms numbered as 1,2 and 4 in the fol...

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  15. What is meant by the term bond order ? Calculate the bond order ? Calc...

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  16. The sdipole miment of hydrogen halides decreases form HF to HI. Explai...

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  17. Which out of N(2) and H(2)O is polar and why ?

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  18. Calculate the electronegativity value of chlorine on Mulliken's scale,...

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  19. H(2)O molecule is a triatomic molecule but its geometry is not linear....

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  20. (a) Which of the following species has greater polarising power ? (i...

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