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Identifier les (alcools, cétones, acides carboxyliques) via l'Infrarouge. “Identify the ghost in the machine,” the prompt read
#Spectroscopie #Chimie #ExercicesCorrigés #PDF #NMR #IRSpectroscopy #OrganicChemistry it is CH₂ next to C=O
As the PDF opened, the air in the library grew inexplicably cold. The first problem wasn't a standard Infrared (IR) graph. It was a hand-drawn sketch of a molecule that seemed to vibrate on the screen. “Identify the ghost in the machine,” the prompt read.
Our quartet is at 2.3 (too high for O-CH₂). Mistake? No – if quartet is at 2.3, it is CH₂ next to C=O, not next to O. So the molecule is ? Impossible.