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Which of the following statement is correct ?
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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
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Correct option is B
Statement (2) is incorrect. It’s correct form is as follows: The lowest energy structure is the one with the smallest formal charges on the atoms. The formal charge is a factor based on pure covalent view of bonding in which electron pairs are shared equally by neighboring atoms. Rest other statements are correct.Talk to our academic expert!
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