JCECE Engineering JCECE Engineering Solved Paper-2014

  • question_answer
    The main product of the reaction would be 2-butene + chloroform\[\xrightarrow{NaOH}\]?

    A)  butanoic acid

    B)  2-methyl butanoic acid

    C)   1, 1, 1-trichloro-2-methyl butane

    D)   1, 4-butane diol

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}=CH-C{{H}_{3}}+CHC{{l}_{3}}\xrightarrow[{}]{{}}\] \[C{{H}_{3}}-\overset{\begin{smallmatrix}  CC{{l}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}}\xrightarrow[hydrolysis]{NaOH}\] \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{(OH)}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-C{{H}_{3}}\xrightarrow{-{{H}_{2}}O}\] \[\underset{\text{2-methyl}\,\,\text{butanoic}\,\,\text{acid}}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix}  COOH \\  | \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}C{{H}_{3}}}}\,\]


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