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identify the unknown substances.

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identify the unknown substances.
005_qbwb8pk-gcos25wh.pdf
Answered Same Day Dec 23, 2021

Solution

David answered on Dec 23 2021
131 Votes
SPECTROSCOPY
1)
i. Peak A at around 3100 cm-1 is characteristic of C – H stretching in aromatic compounds
ii. A strong peak at 800 cm-1 is due to out of plane C – H bending and is indicative of a monosubstituted benzene ring
iii. The strong absorption peak B at 1800 cm-1 is due to C=O stretching and suggests an aroyl chloride
iv. A weak band near 1750 cm-1 results from Fermi resonance between the C=O band and the overtone of a lower wavenumber band at around 875 cm-1. This is typical of aroyl chlorides.
From the above information we conclude that the compound in...
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