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JIPMER Jipmer Medical Solved Paper-2005

  • question_answer
    \[\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C{{H}_{3}}C}}\,}}\,==\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,\xrightarrow[{{H}_{2}}]{catalyst}x.\]No. of optical isomer possible will be:

    A)  2                            

    B)         4                            

    C)  0                            

    D)         3

    Correct Answer: A

    Solution :

    When A react with hydrogen in presence of a catalyst then following reaction is observed, \[C{{H}_{3}}-\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,==\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{CH+{{H}_{2}}}}\,}}\,\xrightarrow{catalyst}\] \[C{{H}_{3}}--\underset{H}{\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,--C{{H}_{2}}--C{{H}_{3}}\] Product is found in \[d\] and 1 from So two optical isomers are possible.


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