RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    On the reaction of butyric acid with\[{{H}_{2}}{{O}_{2}},\]the product will form

    A)  \[C{{H}_{3}}C{{H}_{2}}CHO\]

    B)  \[\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-OH\]

    C)  \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-OH\]

    D)  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-OH\]

    Correct Answer: D

    Solution :

     \[\underset{butyric\text{ }acid}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}COOH}}\,+{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{oxldatlon}\] \[\underset{\beta -hydroxy\text{ }butyric\text{ }acid}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-COOH}}\,\]


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