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Most stable Lewis structure

  1. Mar 17, 2017 #1

    yecko

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    Gold Member

    1. The problem statement, all variables and given/known data
    http://i.imgur.com/Jt3u2uo.png
    Jt3u2uo.png

    2. Relevant equations
    octet structure
    bond strength
    bond order

    3. The attempt at a solution
    I have no idea why the answer is b... after reading the book...
    thank you.
     
  2. jcsd
  3. Mar 17, 2017 #2
    Have you tried to apply the criteria in 2. to each structure?
     
  4. Mar 17, 2017 #3

    Ygggdrasil

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    Science Advisor

    It would be useful to calculate the formal charge on each atom for the different structures then remember that, the more stable Lewis structure will have the fewest number of atoms carrying a non-zero formal charge.

    For more on the concept of formal charge see:
    https://en.wikipedia.org/wiki/Formal_charge
    http://web.chem.ucla.edu/~harding/tutorials/formalcharge.pdf
    http://www.masterorganicchemistry.com/2010/09/24/how-to-calculate-formal-charge/
     
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