An unknown compound X has the empirical formula C,HO and a molecular ion in its mass spectrum at 116. Compound X shows no IR absorption at 3200-3600 cm' but shows a peak at 1700 cm'. The 'H NMR spectral data of X is shown below. What is the tructure of compound X? absorption triplet doublet ratio 1.0 1.2 6. 2.0 quartet septet 3.5 HO OH II IV

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Q: Хо ОН 'CI

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Q: OCH3 OCH 3

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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.