Asked Apr 17, 2019

If you include structures in which sulfur has an expanded octet and exclude structures with triple bonds, how many resonance structures can be drawn for sulfur trioxide, SO3?


Expert Answer

Step 1

Resonance: The delocalization of electrons which is characterized as several structural changes.


Formal charge is the charge calculated for an atom in a Lewis structure on the basis of an equal sharing of bonded electron pairs.

Step 2

There are three structures, each of them, sulfur has formal charge of +2 and oxygen atoms have formal charge of -1.

Step 3

There are three structures, each of them, sulfur has formal charge...


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