A Compound with the Molecular Formula C₅H₁₂ Gave the Following $\delta$

question 45

Multiple Choice

A compound with the molecular formula C₅H₁₂ gave the following ¹H NMR spectrum: singlet, $\delta$ 1.0 (12 H)
The structure of this compound is:

• A) I
• B) II
• C) III
• D) IV
• E) all are possible

---

Definitions:

Normally-Open

A contact configuration in switches or relays that is open (non-conducting) when at rest, closing only when activated.

Contactor

An electrically controlled switch used for switching an electrical power circuit, commonly used in motor control applications.

Start Pushbutton

A button that, when pressed, initiates the operation of a machine or device, commonly found in motor control circuits to start motors.

Control Circuit

An electrical circuit designed to control the operation of devices in a system, often through the use of relays, switches, and timers.