Mon January 14, 2013 By: Arathi M

How am I supposed to draw resonance structures?

Expert Reply
Mon January 14, 2013

The structures of some compounds and ions cannot be represented by a single formula. For example, sulfur dioxide (SO2) and nitric acid (HNO3) may each be described by two equivalent formulas (equations 1 & 2). For clarity the two ambiguous bonds to oxygen are given different colors in these formulas.


1)  sulfur dioxide  
2)  nitric acid  

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