Q.

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

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a

the formation of chemical bond

b

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

c

the idea about the shapes of polyatomic molecules

d

All of the above

answer is D.

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Detailed Solution

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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