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The attractive force which holds atoms t...

The attractive force which holds atoms together in a molecule is called a chemical bond.Explain the formation of a `H_2` molecule on the basis of the valence bond theory (VBT)

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V PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-QUESTION BANK
  1. What do you understand by bond pairs and lone pairs of electrons? Illu...

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  2. Give any two differences between sigma and pi bonds

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  3. The attractive force which holds atoms together in a molecule is calle...

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  4. Write the favourable conditions for the formation of ionic bond

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  5. Use molecular orbital theory to explain why the 'Be2', molecule does n...

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  6. Compare the relative stability of the following species and indicate t...

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  7. Write the significance of a plus and a minus sign shown in representin...

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  8. What is the hybridisation of p in PCl5. Why are axial P-Cl bonds long...

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  9. Define hydrogen bond. Is it weaker or stronger than the van der Waals'...

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  10. What is meant by the term bond order? Calculate the bond order of: N2,...

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  11. What is meant by formal charge?

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  12. HCl is a polar compound, Why HCl shows polar nature?

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  13. Why covalent bonds are called directional bonds whereas ionic bonds ar...

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  14. AIF 3' is a high melting solid whereas 'SiF4' is a gas. Explain why??

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  15. Which out of 'CH3 F' and. 'CH3 Cl' has a higher dipole moment and why?

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  16. Oút of 'p-' orbital and sp-hybrid orbital which has greater directiona...

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  17. Which has higher lattice energy: NaCl or MgO'? Why?

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  18. What is percentage of s-character in (i) 'sp^3' (ii) 'sp^2' (iii) sp-h...

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  19. Write resonating structures of 'O3'

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  20. Out of 'H-H' and 'Cl-Cl' bonds, which is expected to have higher bond ...

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