What Is the Correct Assignment of the Number of Signals

question 47

Multiple Choice

What is the correct assignment of the number of signals in the ¹³C NMR spectra of the following disubstituted benzene derivatives?

• A)I = 3 signals; II = 3 signals; III = 2 signals
• B)I = 3 signals; II = 4 signals; III = 2 signals
• C)I = 6 signals; II = 6 signals; III = 6 signals
• D)I = 3 signals; II = 4 signals; III = 3 signals

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or relationship exists between certain parameters or distributions.

SRS

Simple Random Sample, a basic sampling technique in which each member of the population has an equal chance of being included in the sample.

P-value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.

Statistically Significant

Indicates that the result of a statistical analysis is unlikely to have occurred by chance alone, according to a predefined significance level.