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

  • question_answer Meso-tartaric acid is optically inactive due to the presence of [AIIMS 1982; MP PMT 1987]

    A) Molecular symmetry

    B) Molecular asymmetry

    C) External compensation

    D) Two asymmetric C-atoms

    Correct Answer: A

    Solution :

    Molecular symmetry Plane of Symmetry Mesotartaric acid is optically inactive due to internal compensation i.e. the effect one half of the molecule is neutralized by other.

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