Q. Which of the following isomerism is shown by ethyl acetoacetate?
A) Geometrical isomerism
B) Keto-enol tautomerism
C) Enantiomerism
D) Diastereoisomerism
Explanation
(b)
$O$ $O$
$||$ $||$
$CH_{3} - C - CH_{2} - C - OC_{2}H_{5} \rightleftharpoons$
(keto)
$OH$ $O$
$|$ $||$
$CH_{3} - C = CH - C - OC_{2}H_{5}$
(enol)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.