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Lewis approach helps in writing the structure of molecules but it fails to explain

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the formation of chemical bond

the reason for the difference in bond dissociation enthalpies and bond lengths in molecule like H2, F2 etc

the idea about the shapes of polyatomic molecules

All of the above

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detailed solution

Correct option is D

Lewis approach fails to explain formation of chemical bonds, reason for the difference in bond dissociation enthalpy and bond lengths in molecule, and the idea about the shapes of polyatomic molecule.

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Similar Questions

Which of the following is drawback of the octet theory?

I. It is clear that octet rule is based upon the chemical inertness of noble gases. However, Some noble gases (for example xenon and krypton) also combine with oxygen and fluorine to form a number of compounds like ${XeF}_{2}, {KrF}_{2}, {XeOF}_{2} etc.$
II. This theory does not account for the shape of molecules.
III. It does not explain the relative stability of the molecules being totally silent about energy of a molecule.

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