Q.
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a
Lewis dot structures provide a picture of bonding in molecules and ions in terms of shared pair of electrons and octet rule
b
Lowest energy structure is the one with highest formal charges on the atoms
c
Octet rule is not applied in odd-electron molecules, molecules with expanded octet and incomplete octet of the central atom
d
Energy required to completely separate one mole of a solid ionic compound into gaseous constituent ions is called lattice enthalpy
answer is B.
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