Multiple Choice
Answer the following question based on the given ball-and-stick models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. 
Which of the following is represented in this reaction?
A) a pair of enantiomers
B) a pair of cis-trans isomers
C) the resonance structure of a compound
D) a pair of keto-enol tautomers
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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