Which of the following statements regarding optical rotation is not true?
A) All (+) enantiomers are dextrorotatory.
B) All R enantiomers are dextrorotatory.
C) All (−) enantiomers rotate plane-polarized light in a counterclockwise direction.
D) All (+) and (−) enantiomers rotate plane-polarized light in opposite directions.
Correct Answer:
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