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Homework Help: Diazomethane Resonance

  1. Dec 9, 2016 #1
    1. The problem statement, all variables and given/known data
    Which is an acceptable Lewis structure for Diazomethane?

    2. Relevant equations
    None

    3. The attempt at a solution
    The answer cannot be C or D, as both of these resonance structures are incorrect. I thought the answer was A, given that nitrogen is more electronegative than carbon, which would mean that a negative formal charge is more stable on nitrogen. This is not the case, the answer is actually B.
     

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  3. Dec 9, 2016 #2

    Ygggdrasil

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    Count the electrons around each nitrogen in A.
     
  4. Dec 9, 2016 #3
    It has 4 bonds and 1 lone pair. I believe that I read somewhere that nitrogen cannot have 4 bonds and a lone pair. Is that correct?
     
  5. Dec 9, 2016 #4

    Ygggdrasil

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