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JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

  • question_answer
    Which one of the following acids does not exhibit optical isomerism?   [JEE Main Online Paper ( Held On 12 Apirl  2014 )

    A) Lactic acid                           

    B) Tartaric acid

    C) Maleic acid                         

    D) \[\text{ }\!\!\alpha\!\!\text{ -}\]amino acids

    Correct Answer: C

    Solution :

                    Optical isomers contain an asymmetric (chiral) carbon atom (a carbon atom attached to four different atoms or groups). Therefore all except maleic acid exhibit optical isomerism.


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