JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    3-pentanol on reaction with aluminium tertiary butoxide in the presence of acetone gives

    A)  3-pentanal       

    B)  2-pehtanal

    C)  3-pentanohe                   

    D)  2-pentanone

    Correct Answer: C

    Solution :

                    Aluminium tertiary butoxide is an oxidizing agent used for the oxidation of secondary alcohols into ketones. \[\underset{3-pentanol}{\mathop{C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{OH}}\,-C{{H}_{2}}-C{{H}_{3}}}}\,\] \[\xrightarrow[acetone]{Al{{[OCM{{e}_{3}}]}_{3}}}\underset{3-pen\tan one}{\mathop{C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-C{{H}_{3}}}}\,\]


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