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Explain Carbocation
The mechanism is a sequence of two Brønsted acid-base reactions. In the first (step a), the double bond is protonated to give a tertiary carbocation; in the second (step b), the carbocation loses a dissimilar proton to give the alkene. The equilibrium is driven to the right by the greater stability of the alkene product. (Why is it more stable?)
500-600 words
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