Which of the Following Displays a Signal in the DEPT-90

question 19

Multiple Choice

Which of the following displays a signal in the DEPT-90 ¹³C NMR spectroscopy?

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

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Treatment Group

In experimental research, it refers to the group of participants who receive the experimental treatment or intervention.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.