Predict the number of signals in the expected 13C NMR spectrum of the following compound: 5 (five) Carbon Signals 6 (six) Carbon Signals 7 (seven) Carbon Signals 8 (eight) Carbon Signals 010 A B D A. B. C. D.
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- A compound of unknown structure gave the following spectroscopic data: Mass spectrum: M+=88.1 IR: 3600 cm-1 1ΗNMR: 1.4 δ (2 H, quartet, J=7 Hz); 1.2 δ (6H, singlet): 1.0 δ (1 H, singlet); 0.9 δ (3 H, triplet, J=7 Hz) 13CNMR: 74, 35, 27, 25 δ (a) Assuming that the compound contains C and H but may or may not contain O, give three possible molecular formulas (b) How many protons (H) does the compound contain? (c) What functional groups(s) does the compound contain? (d) How many carbons does the compound contain? (e) What is the molecular formula of the compound? (f) What is the structure of the compound? (g) Assign peaks in the molecule’s 1HNMR spectrum corresponding to specific protons.29. NO AI USEIndentify the cooresponding peaks with structure of Aspirin 1H NMR and C13 NMR