Q. Identify the compound that exhibits tautomerism

A) 2-butene
B) Lactic acid
C) 2-pentanone
D) Phenol
Explanation

(c)
O OH
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \parallel \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |$
$CH_{2}CH_{2} - CH_{2} - C - CH_{3} \rightleftharpoons CH_{3}CH_{2}CH_{2} - C = CH_{2}$
ketoform enol form

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.