Examine the following ball-and -stick models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. Which of the following is characteristic of this reaction?

Question

Examine the following ball-and -stick models. Atoms other than carbon and hydrogen are labeled with the symbol of the element.    Which of the following is characteristic of this reaction?

Quizplus · Accepted Answer

The presence of a α hydrogen is required for a keto-enol tautomerization reaction, which is evident in the conversion of the keto form shown on the right to the enol form. Therefore, choice D is the correct answer. The models do not represent enantiomers as they are not mirror images of each other, nor do they represent an equilibrium between conformers.

Examine the Following Ball-And -Stick Models