The Coupling Constant, J, Between the Protons of Chloroethane Is

question 91

Multiple Choice

The coupling constant, J, between the protons of chloroethane is 7 Hz when the spectrum is obtained at 250 MHz. What is the coupling constant between these protons when the spectrum is acquired at 500 MHz?

• A) 3.5 Hz
• B) 7 Hz
• C) 14 Hz
• D) 21 Hz

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Definitions:

Face Validity

The extent to which a test or measurement appears effective in terms of its stated aims to those taking or observing it, on the surface level.

Construct Validity

The degree to which a test or instrument measures the theoretical construct it is intended to measure.

Correlate

To possess a reciprocal relationship or link, where one element influences or relies upon another.

Measures

Tools or instruments used to quantify or categorize variables, typically for the purpose of research or assessment.