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Which resonance structure is more stable

Which resonance structure is more stable

1. The resonance structures in which all atoms have complete valence shells is more stable. This means most atoms have a full octet.

  1. How do you know which resonating structure is more stable?
  2. Why does more resonance structures stable?
  3. What are the most stable structures?

How do you know which resonating structure is more stable?

Rules for estimating stability of resonance structures

  1. The greater the number of covalent bonds, the greater the stability since more atoms will have complete octets.
  2. The structure with the least number of formal charges is more stable.
  3. The structure with the least separation of formal charge is more stable.

Why does more resonance structures stable?

Because resonance allows for delocalization, in which the overall energy of a molecule is lowered since its electrons occupy a greater volume, molecules that experience resonance are more stable than those that do not. These molecules are termed resonance stabilized.

What are the most stable structures?

The most stable structure is one that has the fewest number of, and smallest magnitude of, formal charges and with the negative formal charges on the more electronegative atoms.

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