Which of the following compounds can undergo keto-enol tautomerism?
A) 2,4-dimethyl-3-pentanone
B) 2,2,4,4-tetramethyl-3-pentanone
C) both 2,4-dimethyl-3-pentanone and 2,2,4,4-tetramethyl-3-pentanone
D) none of these

Question

Quizplus · Accepted Answer

2,4-dimethyl-3-pentanone has an alpha hydrogen that allows it to undergo keto-enol tautomerism, whereas 2,2,4,4-tetramethyl-3-pentanone lacks alpha hydrogens.

Which of the Following Compounds Can Undergo Keto-Enol Tautomerism