Which of the following is most useful to study conjugation in organic compounds?
ID: 481919 • Letter: W
Question
Which of the following is most useful to study conjugation in organic compounds? IR spectroscopy NMR spectroscopy Mass spectroscopy UV-V is spectroscopy Propose a structure for a compound with molecular formula C_3H_6O_2 that fits the following spectroscopic data:^1HNMR: singlet 12.0, quartet at 2.4 and a triplet at 1.2; IR spectra shown. Deduce the identity of the following compound from the NMR data given. C_4H_6O_2: 1H, delta 2.28(2H, multiplet), 2.50(2H, triplet), 4.35 (2HA, triplet); 13c NMR, delta 177.81, 68.58, 27.70, 22.17Explanation / Answer
37. D UV-Vis spectroscopy
The electronic properties of the organic molecules can be best analyzed using ultraviolet and visible light. The electrons in a molecule when irradiated with UV or Visible light absorb light and create electronic transitions which produce absorbance spectra. Hence, UV-Vis spectroscopy is most useful in studying the conjugation in organic compound.
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