JEE Main & Advanced Sample Paper JEE Main Sample Paper-26

  • question_answer
    Compound X in the above reaction is:

    A)        

    B)  

    C)   

    D)   

    Correct Answer: B

    Solution :

    \[Ph-\overset{\begin{smallmatrix}  \,\,\,\,\,C{{H}_{3}} \\  \,\,\,\,\,\,\,\,|\,\, \end{smallmatrix}}{\mathop{C}}\,=CH-Ph\xrightarrow{{{O}_{3}}/Zn}\,Ph-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}+PH-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,-H\] \[\xrightarrow{{}}\,Ph-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-\underset{\begin{smallmatrix}  \,| \\  {{O}^{\oplus }} \end{smallmatrix}}{\mathop{C}}\,H-Ph\,\xrightarrow{{{H}^{\oplus }}}\] \[Ph-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-\underset{\begin{smallmatrix}  \,\,\,\,| \\  OH \end{smallmatrix}}{\mathop{C}}\,H-Ph\xrightarrow{\,}\,Ph-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,\,-CH\,=CH-Ph\]82     


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