Tautomerism, stricity defined could be used to describe the reversible interconvension of isomers, interconversion of isomers is due to mobility of an atom or a group.
In the above examples the composition of the equilibrium mixture is of course. governed by the relative thermodynamic stability of the two forms under the particular conditions being studied.
In which of the following solvent percentage enol content is maximum for 2.2-pentanedione?
A. `CH_(3)CN`
B. `H_(2)O`
C. n-Hexane
D. Ethanol
