Question: Select the proper molecular structure for the given mass spectrum. MASS SPECTRUM 100 57 A. 80 60 B. Rel. Intensity 40 72 (M) low intensity

Select the proper molecular structure for the given mass spectrum. MASS SPECTRUM 100 57 A. 80 60 B. Rel. Intensity 40 72 (M) low intensity 20 C. + 0.0 0.0 20 40 m/z 60 80 Identify the molecular structure that corresponds to this IR spectrum. A. 0.8 FO TRANSMITTANCE B. 0.4 0.0 C. 3000 1000 H 2000 Wavenumber (cm-1) How many sets of signal would you expect to see in this molecule 13C- NMR spectrum? A. 1 B. 2 I H-C-C-0-C-H I H H H I-U-I C. 3 D. 4 E. 5 F. 6 What is the splitting pattern and integration for the signal of proton in red? A. Doublet (2H) B. Triplet (2H) C. Quartet (2H) D. Doublet (4H) E. Triplet (4H) F. Quartet (4H) H-C-C-0-C-C-H | | H H H H

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