Concept explainers
Interpretation:
The example in which the arrows do not correspond correctly to the repositioning of the electrons needed to arrive at the resonance structure shown is to be identified.
Concept introduction:
Resonance structures are different Lewis structures of thesame molecule.
The atom from which the electron pair migrates either loses a bond pair or a lone pair, while the atom to which the electron pair migrates either gains a bond pair or a lone pair.
The total number of electrons after and before repositioning should be the same.
The rules for drawing resonance structures are as:
Only nonbonding electron pairs and pi electrons can participate in conjugation in the formation of various resonating structures.
The single bonds present in the molecule do not break or form in the resonance structures.
The placement of atoms present in the molecule remains fixed.
The octet of all atoms is completely filled.
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- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning