How Many Signals Appear in Proton-Decoupled ¹³C NMR Spectrum of 3,4-Dimethylhexane

question 89

Multiple Choice

How many signals appear in proton-decoupled ¹³C NMR spectrum of 3,4-dimethylhexane?

• A) 3
• B) 4
• C) 5
• D) 6

---

Definitions:

Cerebellum

Part of the brain at the back of the skull in vertebrates, which is responsible for coordinating and regulating muscular activity.

Clumsy

Characterized by a lack of grace, coordination, or skill, resulting in awkward or accident-prone actions.

Uncoordinated

Lacking the ability to move or to execute physical actions in a smooth, efficient, and controlled manner, often leading to clumsiness or a lack of skill.

Structural MRI

A type of magnetic resonance imaging that provides detailed images of the brain's anatomical structure.