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Define hydrogen bond. Is it weaker or st...

Define hydrogen bond. Is it weaker or stronger than the van der Waals forces?

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Hydrogen bond represents strong dipole dipole interactions between the H the highly electronegative atoms (F,0 are N) present in different bonds belonging to either different molecules or some molecule van Waals forces are also dipole forces, consult unit-5 on State of Matter.
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -BORD EXAMINATIONS
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  3. Define hydrogen bond. Is it weaker or stronger than the van der Waals ...

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

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  5. Interpret the non-linear shape of H(2)S molecule and non-planar shape ...

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  6. Using molecular orbital theory, compare the bond energy and magnetic c...

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  7. Explain the shape of BrF(5^.)

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  8. Structures of molecules of two compounds are given: (a) Which of the...

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  9. Why does type of overlap given in the following figure not result in b...

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  10. Explain why PCl(5) is trigonal bipyramidal whereas IF(5) is square pyr...

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  11. In both water and dimethyl ether (CH(3)-underset(* *)overset(* *)O-CH...

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  12. The energy of sigma2p(z), molecular orbital is greater than pi2p(x) an...

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  13. Give the change in bond order in the following ionisation process? i...

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  14. Give reasons for the following : (i) Covalent bonds are directional...

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  15. What is an ionic bond ? With two suitable examples, explain the difere...

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  16. Explain why CO(3)^(2-) ion cannot be represented by a single Lewis str...

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  17. Predict the hybridisation of each carbon in the molecule of organic co...

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  18. Group the following as linear and non-linear molecules : H(2)O,HOCl,...

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  19. Elements X,Y and Z have 4,5 and 7 valence electrons respectively, (i) ...

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  20. Draw the resonatin structure of (i) Ozone molecule (ii) Nitrate ion

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