High School

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What is not true about resonance?

A. The resonating structures are hypothetical.
B. The unpaired electrons in various resonating structures are the same.
C. The hybrid structure is the most energetic.
D. Resonance only occurs in molecules with double or triple bonds.

Answer :

Final answer:

Resonance occurs when a molecule can be represented by multiple structures, the unpaired electrons in various resonating structures can be different, and the hybrid structure is more stable and lower in energy. The statement 'resonance only occurs in molecules with double or triple bonds' is not true.

Explanation:

Resonance occurs when a molecule can be represented by two or more structures that differ only in the arrangement of electrons. These structures are called resonating structures. The unpaired electrons in various resonating structures are not necessarily the same, as the arrangement of electrons can be different in each structure. The hybrid structure, which is a combination of all the resonance contributors, is typically more stable and lower in energy than any of the individual contributors. It is important to note that resonance can occur in molecules with both double and triple bonds, so the statement 'resonance only occurs in molecules with double or triple bonds' is not true.

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Rewritten by : Brahmana