JEE Main & Advanced Chemistry GOC Question Bank Structural and stereo isomerism

  • question_answer Hydrogenation of the adjoining compound in the presence of poisoned palladium catalyst gives    [IIT-JEE (Screening) 2001]

    A) An optically active compound

    B) An optically inactive compound

    C) A racemic mixture

    D) A diastereomeric mixture

    Correct Answer: B

    Solution :

    Due to formation of the plane of symmetry by the syn addition of hydrogen in the triple bond, the compound formed is optically inactive.


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