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JIPMER Jipmer Medical Solved Paper-1996

  • question_answer
    In alkenes, the negative part of addendum adds on to the carbon atom joined to the least number of hydrogen atoms. This statement is called:

    A)  Peroxide effect

    B)  Baeyers strain theory

    C)  Wallachs rule

    D)  Markownikoffs rule

    Correct Answer: D

    Solution :

    In assymmetrical alkenes, the negative part of addendum (HBr, HCl, NOCl, HOH etc). Join to the carbon atom which has less number of hydrogen atom. It is the Markownikoffs rule. The reason for this is the greater stability order of carbocation, which is as follows \[3{}^\circ >2{}^\circ >1{}^\circ \]


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