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Q.
The correct statement(s) concerning the structures $E, F$ and $G$ is/are
IIT JEEIIT JEE 2008Organic Chemistry – Some Basic Principles and Techniques
Solution:
$E, F$ and $G$ are not resonance structures because movement of hydrogen between $E$ and $F$ are involved.
$E, F$ and $E, G$ are tautomers in which $E$ is keto form and both $F$ and $G$ are enol form of the same $E$.
$F$ and $G$ are geometrical isomers.
$F$ and $G$ are distereomers as they are stereo isomers but not related by mirror image relationship.
