Aromatic Compound Presentation

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A powerpoint I made for my organic chemistry class. To be honest I had no idea this was being shared, so after reviewing this 2 years later I realized that on the slide discussing cyclic or planar.. the image shown is not propane it is actually butane (C4H10). Thanks for viewing and hope it has helped someone out!

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AROMATIC COMPOUNDS : 

AROMATIC COMPOUNDS By: Amanda Hearon CSUS 10/2009

Parent Aromatic Structure : 

Parent Aromatic Structure

Slide 3: 

August Kekulé

Slide 4: 

Benzene

Slide 5: 

How to determine whether a compound is aromatic: Follow 4 Basic Rules

Slide 6: 

Rule #1: Ring?? Benzene Propane

Slide 7: 

Rule #2: Flat (Planar)?

Slide 8: 

Rule 3: All atoms have P orbital or lone pair

Slide 9: 

Rule #4: Hückel’s Rule 4n+2

Slide 10: 

So what if…. Compound follows rules 1-3, but does not follow Huckel’s rule? Anti-Aromatic Cyclic Planar All atoms have P orbital Huckel’s Rule

Slide 11: 

All atoms have P orbital or lone pair Cyclic Planar All atoms have P orbital or lone pair Huckel’s Rule Planar Huckel’s Rule Cyclic Summary 4n+2 CONGRATULATIONS!! You have an AROMATIC COMPOUND!!

References : 

References Kellen-Yuen, C. “Organic Chemistry-Aromatic Lecture." CSUS, Sacramento. Sep. 2009. Winter, A. (2005). Organic Chemistry for Dummies. USA: Wiley Publishing Inc.