JEE Main & Advanced Chemistry GOC Question Bank Organic reactions and their mechanism

  • question_answer Which of the following applies in the reaction, \[C{{H}_{3}}CHBrC{{H}_{2}}C{{H}_{3}}\xrightarrow{alc.\,KOH}\] (i) \[C{{H}_{3}}CH=CHC{{H}_{3}}\] (major product) (ii) \[C{{H}_{2}}=CHC{{H}_{2}}C{{H}_{3}}\] (minor product) [Orissa JEE 2005]

    A) Markovnikov's rule

    B) Saytzeff's rule

    C) Kharasch effect

    D) Hofmann's rule

    Correct Answer: B

    Solution :

    If the dehydrohalogenation of an alkyl halide can yield more than one alkene, then according to the saytzeff rule, the main product is the most highly substituted alkene.

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