MCAT Question A Day - 4/23/13 - Answer!
Which of the following statements is untrue about enantiomers?
A. Enantiomers are pairs of compounds that are mirror images of each other.
B. Enantiomers are also structural isomers.
C. Enantiomers have one or more chiral atoms.
D. Enantiomers are optically active.
The correct answer is (B). Structural isomers have the same formula but the atoms are bonded to each other in a different sequence. Enantiomers are stereoisomers that have the same order of atoms.
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