In the Proton NMR Spectrum of a Secondary Amide, the Amide

question 31

Multiple Choice

In the proton NMR spectrum of a secondary amide, the amide proton's signal is:

• A) sharp, around δ 5.0 (ppm).
• B) sharp, around δ 10.0 (ppm).
• C) broad, around δ 9.0 (ppm).
• D) broad, around δ 7.0 (ppm).
• E) usually not observed.

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Definitions:

Ileum

The final and longest segment of the small intestine, responsible for the absorption of nutrients and vitamins.

Duodenum

The first section of the small intestine immediately following the stomach, playing a crucial role in digestion.

Villi

Finger-like projections on the wall of the small intestine that increase surface area for absorption of nutrients.

Mucosa

The moist tissue layer lining some organs and body cavities, including the nose, mouth, lungs, and digestive tract.