A revision quiz covering organic analysis techniques including spectroscopy, chromatography, and chemical testing. Challenge yourself with this…
10 questions • Zestly
• An unknown organic compound X produces a molecular ion peak at m/z 74 in mass spectrometry. A peak at m/z 59 is also observed. Which…
• Which of the following reagents will produce a positive observation when reacted with propanal?
• In proton NMR spectroscopy, why is tetramethylsilane (TMS) used as the standard reference?
• An organic compound shows a broad infrared absorption peak at 3300 cm-1 and a sharp peak at 1710 cm-1. Which functional group combination…
• In a proton NMR spectrum, a signal at 2.1 ppm appears as a quartet. What does this indicate about the neighboring protons?
• Which of the following statements regarding C-13 NMR are correct?
• Why is deuterated chloroform (CDCl3) the preferred solvent for proton NMR spectroscopy?
• In thin-layer chromatography, what does the Rf value represent?
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