NEET Chemistry NEET PYQ-IUPAC and Isomerism

  • question_answer
    The enolic form of ethyl acetoacetate as below has                                 [NEET 2015 ]

    A) 18 sigma bonds and 2 pi-bonds

    B) 16 sigma bonds and 1 pi-bond

    C) 9 sigma bonds and 2 pi-bonds

    D) 9 sigma bonds and 1 pi-bond

    Correct Answer: A

    Solution :

    [a] The enolic form of ethyl acetoacetate has 16 single bonds i.e. 16 -bonds and 2 double bonds i.e. 2 -bonds and 2 -bonds. Hence, the given structure has 18 -bonds and 2-bonds.


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