CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2006

  • question_answer
    The number of optical isomers of \[C{{H}_{3}}CH(OH)CH(OH)CHO\]is:

    A) zero         

    B)                        2

    C) 3                             

    D)        4

    E) 6

    Correct Answer: D

    Solution :

    \[\begin{matrix}    C{{H}_{3}}  \\    |  \\    H-{{C}^{*}}-OH  \\    |  \\    H-{{C}^{*}}-OH  \\    \begin{align}   & | \\  & CHO \\ \end{align}  \\ \end{matrix}\] Possible number of optical isomers\[={{2}^{n}}\]                                 \[={{2}^{n}}=4\]


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