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Structural Diagrams - confused

  1. Mar 15, 2013 #1
    Show all possible structural diagrams for HCN.

    Isn't there just one? H (single bond) C (triple bond) N
    I can't draw a resonant structure because there is none (resonant means only moving of the bonds not the atoms, no?). I don't understand.
  2. jcsd
  3. Mar 19, 2013 #2
    You can also move the electrons. Not all resonance structures have balanced charges. The one we pick for representation is the most stable molecule. Sorry for the delayed response.
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