The first step in the mechanistic step in the acid-promoted dehydration of cyclohexanol is protonation of the alcohol group by the acid (slightly exothermic). The second step is the loss of water to form the carbocation (highly endothermic).
What is dehydration of alcohol ?
Alcohol dehydration is the process by which, under specific circumstances, water molecules are removed from alcohol to produce alkenes. It is an illustration of an elimination reaction when water molecules are eliminated as alcohol dehydrates.
Acid protonation of the alcohol group by the acid is the first mechanistic step in the acid-promoted dehydration of cyclohexanol (slightly exothermic). The loss of water to create the carbocation is the second phase (highly endothermic).
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