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MHT CET202613 April 2026Evening ShiftChemistryAlcohols Phenols and EthersActual

Find the order of formation of alcohol from alkene from the following.

Options

  1. A3^ > 1^ > 2^
  2. B3^ > 2^ > 1^
  3. C1^ > 2^ > 3^
  4. D1^ > 3^ > 2^

Correct answer

B. 3^ > 2^ > 1^

Step-by-step solution

The formation of alcohol from an alkene typically proceeds via acid-catalyzed hydration, which is an electrophilic addition reaction. The rate-determining step in this reaction is the attack of the electrophile ( H^+ ) on the alkene to form a carbocation intermediate. The rate of the reaction is directly proportional to the stability of the carbocation formed. The stability of carbocations follows the order: 3^ > 2^ > 1^ due to the +I effect of alkyl groups and hyperconjugation. Therefore, the order of reactivity o

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