JEE Main & Advanced JEE Main Online Paper (Held On 23 April 2013)

  • question_answer
                    Which of the following is the product of aldol condensation?     JEE Main Online Paper ( Held On 23  April 2013 )

    A)                                  

    B)                                         

    C)                                         

    D)                                         

    Correct Answer: B

    Solution :

                     \[C{{H}_{3}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,=O+C{{H}_{3}}COC{{H}_{3}}\xrightarrow[{}]{{}}\] \[\underset{4-Hydroxy-4-methyl-2-pen\tan one}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-C{{H}_{2}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}}}\,\]


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