How Many Signals Appear in Proton-Decoupled ¹³C NMR Spectrum of 2,5-Dimethylhexane

question 82

Multiple Choice

How many signals appear in proton-decoupled ¹³C NMR spectrum of 2,5-dimethylhexane?

• A) 3
• B) 4
• C) 5
• D) 6

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Definitions:

Hit

In the context of memory recall, a correct identification or recognition of a previously encountered stimulus.

False Alarm

An instance in which a warning or signal is given for a danger that fails to materialize, leading to an unnecessary or mistaken response.

Correct Rejection

In signal detection theory, the correct identification that a target stimulus is not present.

Subliminal Perception

The processing of information by sensory systems without a person's conscious awareness.