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JIPMER Jipmer Medical Solved Paper-2002

  • question_answer
    The IUPAC name of \[C{{H}_{3}}--\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}\,--C{{H}_{2}}--\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{CH}}\,}}\,\cdot CHO\] is:

    A)  4-hydroxy-2-methyl pentanal-1

    B)  2-hyroxy-4-methyl pentanal-1

    C)  2-methyl pent-4-ol-1-al

    D)  none of the above

    Correct Answer: A

    Solution :

    \[\underset{5}{\mathop{C{{H}_{3}}}}\,-\underset{4}{\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}}\,-\underset{3}{\mathop{C{{H}_{2}}}}\,-\underset{2}{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{CH}}\,}}}\,\cdot \underset{1}{\mathop{CHO}}\,\] Hence, the IUPAC name is 4-hydroxy-2-methyl-pentanal-1


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