Wize University Chemistry Textbook > Lewis Structures & Resonance Structures
Lewis and Resonance Structures of Organic Compounds
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Lewis Structures of Organic Compounds
- Organic compounds contain carbon as their main component. In Lewis structures, carbon will always be the central atoms.
Ex) CH3CH2CN
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- Resonance structures are very important in organic chemistry and it is vital that you are able to find resonance structures using line bond form.
- Remember that resonance structures result from the movement of electrons (NOT ATOMS) from lone pairs and pi bonds (double and triple bonds).
- Hint: Resonance cannot happen through a carbon with only single lines to it
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Benzene Derivatives - Example Problem
Ex) Draw the correct Lewis structure of CH3C6H5 (benzene derivative). Draw all resonance structures.
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Organic Compounds - Example Problem
Ex) Draw the correct Lewis structure of NH2CH2CH2CO2-. Draw all resonance structures.
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Draw all reasonable resonance structures for the following compounds.
c)
d)
Right is better because negative on oxygen (most electronegative element)
Which of the following are resonance structures?
A. i only
B. ii only
C. iii only
D. ii & iii only
E. All of the above