JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2004

  • question_answer
        Dual nature of particles was proposed by:

    A)  Heisenberg       

    B)  Lowry

    C)  De-Broglie         

    D)  Schrodinger

    Correct Answer: C

    Solution :

                    Ethyl acetoacetate shows tautomerism. \[C{{H}_{2}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-\underset{keto\,form}{\mathop{C{{H}_{2}}.COO{{C}_{2}}{{H}_{5}}}}\,\] \[\overset{{}}{\longleftrightarrow}C{{H}_{3}}-\overset{\begin{smallmatrix}  OH \\  | \end{smallmatrix}}{\mathop{C}}\,=\underset{enol\,from}{\mathop{CH.COO{{C}_{2}}{{H}_{5}}}}\,\]


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