BCECE Medical BCECE Medical Solved Papers-2011

  • question_answer
    The end product C in the following sequence of chemical reactions is \[C{{H}_{3}}COOH\xrightarrow{CaC{{O}_{3}}}A\xrightarrow{Heat}\xrightarrow{N{{H}_{2}}OH}C\]

    A)  acetaldehyde oxime

    B)  formaldehyde oxime

    C)  methyl nitrate

    D)  acetoxime

    Correct Answer: D

    Solution :

    \[2C{{H}_{3}}COOH\xrightarrow{CaC{{O}_{3}}}\underset{A}{\mathop{{{(C{{H}_{3}}COO)}_{2}}Ca}}\,\xrightarrow[-CaC{{O}_{3}}]{\Delta }\]\[C{{H}_{3}}COC{{H}_{3}}\xrightarrow[-{{H}_{2}}O]{N{{H}_{2}}OH}C{{H}_{3}}\underset{\begin{align}   & || \\  & NaOH \\  & acetoxime \\  & C \\ \end{align}}{\mathop{C}}\,-C{{H}_{3}}\]


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