Understanding Enantiomers and Their Properties

Hard Organic Chemistry Stereochemistry

Consider the molecule 3-ethyl-2-pentanol, which contains a chiral center. A chemist synthesizes two enantiomers of this alcohol, which exhibit different optical activities. Each enantiomer was characterized, and one was found to rotate plane-polarized light to the right (rotatory power +) while the other rotated it to the left (rotatory power -). Based on your understanding of stereochemistry, which of the following statements is true regarding the relationship between these enantiomers?

They are identical compounds with the same spatial arrangement of atoms.

They have the same physical properties except for their interaction with plane-polarized light.

They can interconvert to one another through simple rotation.

They contain two chiral centers and are diastereomers.

Hint

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