When an Acid Is Added to an Enantiomerically Pure R-3-Phenyl-2-Butanone

question 37

Multiple Choice

When an acid is added to an enantiomerically pure R-3-phenyl-2-butanone dissolved in ethanol, its optical activity drops to zero. The zero optical activity occurs because of _____.

• A) racemization
• B) isomerism
• C) resonance
• D) mesomerism

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Definitions:

Coronal Plane

An anatomical plane that divides the body into dorsal (back) and ventral (front) sections, also known as the frontal plane.

Cutting Off

Intentionally stopping blood flow or interrupting a process or activity.

Mediastinum

The central compartment of the thoracic cavity, located between the lungs and containing the heart, trachea, esophagus, and other vital structures.

Body Cavities

Hollow spaces within the human body that house organs and provide protection, support, and space for organ development and function.