Engineering
Chemistry
Diazonium salt
Electrophilic substitution
Question

can not be prepared by which reaction

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Solution

The target compound is a tertiary alcohol (3°), as the carbon with OH is bonded to three alkyl groups. Tertiary alcohols cannot be prepared by the hydration of alkenes (option 1) due to carbocation rearrangement issues. The reaction proceeds via Markovnikov addition, but the initial secondary carbocation rearranges to a more stable tertiary one, leading to a different product. Therefore, the first reaction cannot yield the desired tertiary alcohol without rearrangement.

Final Answer: The first reaction (hydration of alkene) cannot prepare the given tertiary alcohol.