CHEM352L - Identification of an Unknown Using IR, NMR, UV-Visible Absorption Spectroscopy, and Mass Spec - QUIZ

1According to the Good Lab Practice (GLP) section, what is the correct procedure for cleaning the IR window after use?

2Which elements may be present in the liquid unknown provided in CHEM352L?

3In a DEPT-135 NMR spectrum, which types of carbon signals are expected to appear, and how are they distinguished from the standard C-13 spectrum?

4When analyzing the High-Resolution Mass Spectrometry data, what specific value must be calculated to help identify the structure?

5What is the recommended strategy for obtaining the UV-Visible absorption spectrum according to the lab procedure?

6Which items are required for the 'Notebook Preparation' phase of this experiment?

7When justifying the H-1 NMR data in the final report, which two features of the signals must be explained in relation to the proposed structure?

8By comparing the DEPT-135 spectrum to the standard C-13 spectrum, what specific information can be deduced about carbon atoms?

9What information should be included in the IR section of the lab conclusions?

10True or False: A detailed written procedure for the operation of the NMR and Mass Spec instruments must be included in the lab notebook.