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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See sample questions for grade 11
A compound has a molecular ion peak at m/z = 58 in its mass spectrum. What is its molecular mass?
A student observes two signals in the 1H NMR spectrum of a compound. What does this indicate about the hydrogen environments in the molecule?
Calculate the number of signals expected in the 1H NMR spectrum of ethane (C2H6).
Describe the fingerprint region in an IR spectrum.
Explain the principle of mass spectrometry in one or two sentences.
Explain why conjugated dienes absorb at longer wavelengths in UV-Vis spectroscopy compared to isolated double bonds.
Explain why tetramethylsilane (TMS) is used as a reference in NMR spectroscopy.
In an IR spectrum, a broad absorption around 3200–3600 cm-1 is characteristic of which functional group?
In NMR spectroscopy, what does the area under each signal represent?
What does the term 'chemical shift' refer to in NMR spectroscopy?
What is the standard reference compound used for chemical shift in 1H NMR spectroscopy?
Which nucleus is most commonly observed in NMR spectroscopy for organic compounds?
