BCECE Medical BCECE Medical Solved Papers-2010

  • question_answer
    The IUPAC name of \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,}}\,-C{{H}_{3}}\]

    A)  1,1-dimethyl-1,3-butanediol

    B)  2-methyl-2,4-pentanediol

    C)  4-methyl-2,4-pentanediol

    D)  1,3,3-trimethyl-l,3-propane diol

    Correct Answer: B

    Solution :

    \[\underset{2-methyl-2,\text{}4-pentanediol}{\mathop{\overset{5}{\mathop{C}}\,{{H}_{3}}-\overset{4}{\mathop{\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,}}\,H-\overset{3}{\mathop{C}}\,{{H}_{2}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  2| \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,}}\,-\overset{1}{\mathop{C}}\,{{H}_{3}}}}\,\]


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