NEET Sample Paper NEET Sample Test Paper-25

  • question_answer
    The order of stability of the following tautomeric compounds is                     
     

    A)  III > I > II

    B)  II > I > III

    C)  II > III > I

    D)  I > II > III

    Correct Answer: C

    Solution :

     Acetyl acetone is liquid and exist mainly as \[C{{H}_{3}}-\overset{OH}{\mathop{\overset{|}{\mathop{C}}\,}}\,=CH-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}\]due to intramolecu- lar H-bonding. However in aqueous solution, the order is II > III > I.


You need to login to perform this action.
You will be redirected in 3 sec spinner