GKFix MCQ Question

What is the significance of the example (-)-2-methylbutan-1-ol → (+)-1-chloro-2-methylbutane?

• A. It shows that SN2 reactions always lead to inversion.
• B. It demonstrates that configuration can be retained even when optical rotation sign changes.
• C. It proves that optical rotation determines configuration.
• D. It shows that alcohols are more stable than alkyl chlorides.