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Unformatted text preview: The more number of lower level bonds, the longer the bromination will take. Additionally, the bromine/arene mixture will turn clear when all the bromine is consumed. Therefore, it is very straightforward to measure the relative reactivities for the arenes. Hydrocarbon A. Toulene 4 minutes 23 seconds Benzylic 1 o B. Methyl cyclohexane 13 minutes Aliphatic 3 o Aliphatic 2 o Aliphatic 1 o C. Ethyl benzene 20seconds Aliphatic 1 o benzylic 2 o Aromatic D. Cyclohexane 52 minutes 9 seconds Aliphatic 2 o E. Control didn’t react The data obtained reflected the theory behind the experiment, with the benzylic bonds taking the least time, the greater number of carbons attached the shorter amount of time. The same theory applied to the aliphatics....
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- Spring '08
- Reaction, Benzene, Aromatic hydrocarbon, arenes, free-radical chain reaction, lower level bonds, C. Ethyl benzene