Which of the Following Molecules Has a Characteristic Stretch at 1750

question 37

Multiple Choice

Which of the following molecules has a characteristic stretch at 1750 cm^-1?

• A) (CH₃)₂CHCH₂OH
• B) (CH₃)₃CH
• C) (CH₃)₂CHCCCH₃
• D) (CH₃)₂CHCH=CH₂
• E) (CH₃)₂CHCO₂CH₃

---

Definitions:

Systole

Contractile phase of the cardiac cycle.

Diastole

Relaxation phase of the cardiac cycle.

Cardiac Cycle

The sequence of events that occurs in the heart during one heartbeat, including contraction (systole) and relaxation (diastole) of the atria and ventricles.

Valve

A device or structure that regulates, directs, or controls the flow of a fluid by opening, closing, or partially obstructing pathways.