Spectroscopic Techniques in Organic Chemistry
Chemistry ⇒ Carbon and Organic Chemistry
Spectroscopic Techniques in Organic Chemistry starts at 11 and continues till grade 12.
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A compound absorbs strongly at 285 nm in its UV-Vis spectrum. What does this suggest about its structure?
A compound has a molecular ion peak at m/z = 44 and a base peak at m/z = 29 in its mass spectrum. What is the likely molecular formula of the compound?
A compound shows a singlet at 2.1 ppm in its 1H NMR spectrum. What does this suggest about the environment of the protons?
A compound shows a strong, broad absorption around 3300 cm-1 in its IR spectrum. Which functional group is likely present?
A molecule with the formula C3H8O shows a broad IR absorption at 3400 cm-1 and a triplet and quartet in its 1H NMR spectrum. What is the likely structure?
Describe the difference between the parent ion and the base peak in a mass spectrum.
Describe the main difference between qualitative and quantitative analysis in spectroscopic techniques.
Explain the principle of mass spectrometry in organic chemistry.
Explain the term 'chemical shift' in NMR spectroscopy.
Explain why deuterated solvents are used in NMR spectroscopy.
Explain why tetramethylsilane (TMS) is used as a reference in NMR spectroscopy.
The presence of a peak at around 2200 cm-1 in an IR spectrum indicates the presence of which functional group?
Which nucleus is most commonly studied in proton NMR spectroscopy?
