The EI Mass Spectrum and Structure Shown Below Is for Phentermine

question 15

Multiple Choice

The EI mass spectrum and structure shown below is for phentermine, a compound related to methamphetamine.
Which m/z peak is the molecular ion M+?

• A) 144
• B) There is no molecular ion in this spectrum
• C) 147
• D) 58
• E) none of the above

Distinguish between algorithms, heuristics, and analogies in problem-solving.

Recognize the role of problem representation in effective problem-solving.

Identify the use of trial and error in addressing practical problems.

Understand the impact of cultural and cognitive influences on problem-solving practices.

---

Definitions:

Sign Test

A nonparametric test used to determine if there is a difference between matched or paired observations.

Distribution

Refers to the way in which data points are spread out across the range of possible values in a dataset.

Test Statistic

A computed value used to decide whether to reject the null hypothesis in statistical hypothesis testing.

P-Value

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