relative rates - Morgan Bailey Mb33295 Relative Rates...

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Morgan Bailey Mb33295 Relative Rates Discussion In this lab period, we experienced the relative rates of electrophilic aromatic substitution when we added bromine to 5 different substrates. Before we entered lab, we were to predict the order of reactivities, once we finished this experiment I realized how off I was in my predictions. When we had them at 35 degrees Celsius, most of them reacted in under a minute but when we put them at 0 degrees Celsius, we realized it takes a lot longer so temperature does make a difference. The concept of electrophilic aromatic substitution is a very popular reaction that allows the addition of many different functional groups onto an aromatic ring. These reactions are typically overall 2 nd order, 1 st order for electrophile and aromatic component. We performed the qualitative aspects of relative rates in this experiment and discovered that the orientation of the substrates, whether ortho, meta, or para, make a difference on reaction times. The overall mechanism of this reaction included the Br2
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This note was uploaded on 01/29/2012 for the course CH 210 C taught by Professor Fjetland during the Spring '08 term at University of Texas at Austin.

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relative rates - Morgan Bailey Mb33295 Relative Rates...

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