Which of the following correctly describes the relationship between the R,S system and the actual rotation associated with optically active compounds?
A) All R enantiomers are dextrorotatory.
B) All S enantiomers are dextrorotatory.
C) No S enantiomers are dextrorotatory, but some R enantiomers are levorotatory.
D) There is no general relationship between the R,S designation and the actual direction of rotation of plane polarized light.
D
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