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NEET Chemistry Aldehydes, Ketones Question Bank Self Evaluation Test - Aldehydes, Ketons and Carboxylic Acids

  • question_answer
    Identify Z in the following reaction sequence. \[C{{H}_{3}}CHO\xrightarrow[Dil.{{H}_{2}}S{{O}_{4}}]{MnO_{4}^{-}}X\xrightarrow{SOC{{l}_{2}}}Y\xrightarrow[\Delta ]{C{{H}_{3}}COONa}Z\]

    A) \[C{{H}_{3}}COC{{H}_{2}}COONa\]

    B) \[{{(C{{H}_{3}}CO)}_{2}}O\]

    C) \[C{{H}_{3}}CO-O-COC{{H}_{2}}Cl\]

    D) \[C{{H}_{3}}CO-OCOCHC{{l}_{2}}\]

    Correct Answer: B

    Solution :

    [b] \[C{{H}_{3}}CHO\xrightarrow{MnO_{4}^{-}/{{H}^{+}}}\underset{X}{\mathop{C{{H}_{3}}COOH}}\,\xrightarrow{SOC{{l}_{2}}}\]\[\underset{Y}{\mathop{C{{H}_{3}}COCl}}\,\xrightarrow[heat]{C{{H}_{3}}COONa}\underset{Z}{\mathop{C{{H}_{3}}COOCOC{{H}_{3}}}}\,\]


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