How Many Signals Appear in the Proton-Decoupled ¹³C NMR Spectrum

question 18

Multiple Choice

How many signals appear in the proton-decoupled ¹³C NMR spectrum of the following compound?

• A) 7
• B) 8
• C) 9
• D) 11

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Definitions:

Brain

The organ located in the head of an organism that coordinates its actions and sensory information by transmitting signals to and from different parts of its body.

Modern Medicine

The practice of medicine based on the application of scientific knowledge, technology, and interventions to prevent, diagnose, and treat diseases.

Hippocrates

An ancient Greek physician often referred to as the "Father of Medicine," known for his contributions to the understanding of disease and medical ethics.

Empirical Evidence

Information acquired by observation or experimentation that is used as the basis for testing hypotheses and building knowledge.