J & K CET Medical J & K - CET Medical Solved Paper-2012

  • question_answer
    A ketone gives a yellow ppt when treated with 12 in an alkaline solution. Thus, the ketone is

    A)  a cyclic ketone

    B)  a methyl ketone

    C)  an unsaturated ketone

    D)  None of the above

    Correct Answer: B

    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. \[\underset{but-2-ene}{\mathop{{{H}_{3}}CCH=CHC{{H}_{3}}}}\,\]


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