alleryStereoisomers that are non-superimposable mirror images of each other are called:
ADiastereomers
BConformers
CGeometric isomers
DEnantiomers
Answer & Solution
Correct answer: D. Enantiomers
**Enantiomers** = non-superimposable mirror images.
Have **identical physical properties** (mp, bp, refractive index) but **opposite optical rotations** (one is d/+, the other is l/−) and may differ in biological activity.
They constitute a **racemic mixture** when in 1:1 ratio (optically inactive).
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