(+)-Carvone and (-)-carvone differ in the orientations of the substituents around which of the following carbon atoms?
A ) Carbon 2 only
B ) Carbon 5 only
C ) Carbons 2 and 5 only
D ) Carbons 2, 5, and 7 only

Carvone is a naturally-occurring monoterpenoid consisting of a six-membered cyclic ring. The carbon-5 of this cyclic ring of Carvone is chiral, due to which Carvone exhibits enantiomerism.

The two enantiomeric forms of Carvone are: R-(–)-carvone, or L-carvone, and S-(+)-carvone, or D-carvone.

These two enantiomeric forms differ in the orientation of the substituents on the chiral carbon-5.

Therefore, the correct option is B. Carbon 5 only.

(+)-Carvone and (-)-carvone differ in the orientations of the substituents around which of the following carbon atoms? A ) Carbon 2 only B ) Carbon 5 only C ) Carbons 2 and 5 only D ) Carbons 2, 5, and 7 only

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(+)-Carvone and (-)-carvone differ in the orientations of the substituents around which of the following carbon atoms?
A ) Carbon 2 only
B ) Carbon 5 only
C ) Carbons 2 and 5 only
D ) Carbons 2, 5, and 7 only