QUESTION 5 The IR, 'H NMR and 1°C NMR spectra of compound P are shown below. The molecular formula for compound P is CsH;NO2. Identify three (3) important absorption peaks on the IR spectrum and indicate the bond and wavenumber associated with each peak. Elucidate the structure of compound P and assign each peak in the 'H and 1°C NMR spectra. (Hint. The compound consists of more than one functional group). а. b. MICRONS 13 14 15 16 DO 50 40 30 1747 10 800 600 400 4000 3600 3200 2800 2400 2000 1800 1000 1400 WAVENUMBERS (CM-) 1600 1200 % TRANSMITTANCE

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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.