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The 1H NMR spectrum below is for a molecule with molecular formula C5H6O2. Ō 7.40 (singlet, 1H), 7.36(doublet, J= 0.3 Hz, 1H), 6.44 (doublet, J= 0.3 Hz, 1H), 4.46 (doublet,

J= 4.9 Hz, 2H), 2.92 (triplet, J=4.9 Hz, 1H). Remember: "J" is the coupling constant between two protons.The IR spectrum for this molecule has a strong broad absorption around 3600 cm-1. 0-H

Fig: 1