Which of the Following Does Not Display a Signal in the DEPT-135

question 12

Multiple Choice

Which of the following does not display a signal in the DEPT-135 ¹³C NMR spectroscopy?

• A) CH₃
• B) CH₂
• C) CH
• D) C
• E) none of these

---

Definitions:

Predictability

The ability to forecast future events or behaviors based on current or past information.

CS and US

In classical conditioning, CS stands for Conditioned Stimulus, which becomes associated with an Unconditioned Stimulus (US) to produce a learned response.

Cognitive Perspective

A psychological approach that emphasizes mental processes such as perception, memory, and problem-solving.

Little Albert

The subject of a famous psychology experiment by John B. Watson and Rosalie Rayner, which demonstrated how fears could be conditioned in humans.