Of the following choices, what reagent(s) can accomplish the transformation shown? HO LiAlH4 NaBH4 Na2Cr₂O7, H₂SO4, H₂O PCC NaBH4 and LiAlH4 OPCC and Na₂Cr₂O7, H₂SO4, H₂O

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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.