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Answer :
Final answer:
The statement is false because resonance occurs when a molecule can be represented by two or more Lewis structures, indicating different arrangements of electrons but the same atom arrangement, which collectively depict the molecule's true, more stable structure. So, the correct answer is, 2) False.
Explanation:
The statement "Resonance occurs when there is only one option for the Lewis dot structure" is false. Resonance, in chemistry, refers to the phenomenon where a molecule, ion, or radical can be represented by two or more valid Lewis structures. These structures, known as resonance structures or resonance contributors, have the same arrangement of atoms but feature a different arrangement of electrons.
An important aspect of resonance is that the true structure of a molecule is actually a hybrid, demonstrating characteristics of all the resonance contributors rather than just one. The classic examples include the ozone (O3) molecule and the benzene (C6H6) molecule, both of which have multiple resonance structures illustrating different arrangements of electron pairs within the molecular framework. This hybrid structure is more stable than any single contributing structure, lending the molecule lower energy and often enhanced chemical properties.
Resonance is crucial for understanding the chemical behavior of certain compounds, suggesting that electrons are delocalized over several atoms rather than being confined to a single bond or location. This concept provides a more accurate depiction of electron distribution in molecules where a single Lewis structure is insufficient to describe chemical bonding and behavior accurately.
In summary, the query attempts to oversimplify a complex aspect of molecular structure, misunderstanding the nature and purpose of resonance in chemical bonding. The correct understanding of resonance involves recognizing the existence of multiple contributing structures for a given molecule, which collectively describe its electronic structure more effectively than any single representation could.
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Rewritten by : Brahmana