Asked by Akhandpratapsingh19997th April 2017, 11:43 AM
Answered by Expert
During the Friedel‐Crafts alkylation reaction, carbocations can rearrange to the form unpredicted products as in the case of the formation of isopropyl benzene by the reaction of propyl chloride with benzene.
The isopropyl benzene results from a rearrangement of the initially formed n-propyl carbocation to the more stable isopropyl carbocation.
This rearrangement is called a 1,2-hydride ion shift. A hydride ion is H−.
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