Which chosce best explains why the molecules below can be distinguished by IR Molecule A Molecule A has a peak just above 3000 cm³ and Molecule B does not Molecule A has a peak for an aldehyde around 2200 cm and Molecule B does not Molecule B has a carbonyl peak around 1750 cm and Molecule A does not Molecule A and Molecule B can't be easily distinguished by IR Molecule B

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NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.