RAJASTHAN PMT Rajasthan - PMT Solved Paper-2008

  • question_answer
    The \[IUPAC\] name of\[C{{H}_{3}}COCH{{(C{{H}_{3}})}_{2}}\]is

    A)  isopropylmethyl ketone

    B)         2-methyl-3-butanone

    C)         4-methylisopropyl ketone

    D)         3-methyl-2-butanone

    Correct Answer: D

    Solution :

    \[\underset{1}{\mathop{C}}\,{{H}_{3}}-\underset{2}{\overset{\begin{smallmatrix}  O \\  |\,\,| \end{smallmatrix}}{\mathop{C}}}\,-\underset{\begin{smallmatrix}  |3 \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,H-\underset{4}{\mathop{C}}\,{{H}_{3}}\]                 \[3-methyl\text{ }butan-2-one\] or            \[3-methyl\text{ }2-butanone\] keto\[(-\overset{\begin{smallmatrix}  O \\  |\,\,| \end{smallmatrix}}{\mathop{C}}\,-)\]functional group is given priority.


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