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Resonating structure of SO3?


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Solution

Resonating structure:

  • Resonance structures are usually known as the sets of Lewis structures describing the delocalization of electrons in a polyatomic ion or a molecule.
  • It is a manner of describing the bonding in particular molecules or ions by adding many contributing structures which are basically called canonical structures or resonance.
  • All the hybrid structures should be equivalent in nature to define resonance stability, but none of them independently describes the whole property of any given system.

Resonating structure of SO3:

  • There is a total of three true resonating structures that can be drawn for SO3.
  • Among them in the first structure, all atoms have a formal charge of zero.
  • for the next structures, S has a formal charge of +1 and one of the O atoms has a formal charge of -1.
  • However, for the last structure,S has a formal charge of +2 and two of the O atoms have formal charges of -1, and these three are known as the most stable structures.

File:SO3 meso.png - Wikimedia Commons

Hence, the resonating structure of SO3has been shown above.


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