JEE Main 2005 Chemistry question

Acid catalyzed hydration of alkenes except ethene leads to the formation of

(1)primary alcohol
(2)secondary or tertiary alcoholCorrect
(3)mixture of primary and secondary alcohols
(4)mixture of secondary and tertiary alcohols

Answer: (2)

Solution

Acid-catalysed hydration follows Markovnikov's rule via the more stable carbocation: OH attaches to the more substituted carbon, so alkenes other than ethene give secondary (e.g. propene → propan-2-ol) or tertiary (e.g. isobutylene → tert-butanol)

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Question ID VK-038654