J & K CET Engineering J and K - CET Engineering Solved Paper-2012

  • question_answer
    Anti-Markownikoff addition of HBr is not observed in

    A)  propene          

    B)  butene

    C)  2-butene        

    D)  2-pentene

    Correct Answer: C

    Solution :

     Anti-Markownikoff addition is not observed in 2-butene because both the doubly bonded carbons have same number of hydrogen atoms i.e., the alkene is symmetrical. \[\underset{\text{but}-2-\text{ene}}{\mathop{{{H}_{3}}C-CH=CH-C{{H}_{3}}}}\,\]


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